US Bridges

Rt H S over Pomme De Terre Rvr

PoorPosted for load

Polk County, Missouri · S 20 T 32 N R 21 W · Structure no. 9187

Built
1946
79 years old
Condition
Poor
inspected November 2024
Type
Arch - Deck
Concrete
Length
202 ft
1 main span
Daily traffic
1,184
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Pomme De Terre Rvr is a concrete arch - deck carrying Rt H S over Pomme De Terre Rvr in Polk County, Missouri. It was built in 1946, so it is 79 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,184 vehicles a day, roughly 11% of them trucks, projected to reach 1,894 by 2044. The structure is 202 ft (61.6 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt H S
CrossesPomme De Terre Rvr
LocationS 20 T 32 N R 21 W
RouteState Highway 0H
Coordinates37.48686, -93.26439
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating11.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 10
Structure length202 ft (61.6 m)
Longest span100 ft (30.5 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,184 (2024)
Projected traffic1,894 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt H S over Pomme De Terre Rvr built?

It was built in 1946, making it 79 years old in 2025.

What condition is Rt H S over Pomme De Terre Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Rt H S over Pomme De Terre Rvr carry?

About 1,184 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt H S over Pomme De Terre Rvr?

The structure is 202 ft (61.6 m) long with a longest span of 100 ft (30.5 m) and a deck 26 ft wide.

Who owns Rt H S over Pomme De Terre Rvr?

It is owned by the State Highway Agency.