US Bridges

County RD E-475 over Pomme De Terre Rvr

Fair

Polk County, Missouri · S 26 T 33 N R 22 W · Structure no. 22481

Built
1928
97 years old, rebuilt 1987
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
125
2024 count
Owner
County
County Highway Agency

About this bridge

County RD E-475 over Pomme De Terre Rvr is a prestressed concrete stringer/multi-beam or girder carrying County RD E-475 over Pomme De Terre Rvr in Polk County, Missouri. It was built in 1928 and reconstructed in 1987, so it is 97 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 125 vehicles a day, roughly 10% of them trucks, projected to reach 181 by 2044. The structure is 203 ft (61.9 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD E-475
CrossesPomme De Terre Rvr
LocationS 26 T 33 N R 22 W
RouteCounty Highway 358
CountyPolk County
StateMissouri
Coordinates37.55432, -93.30717
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic181 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD E-475 over Pomme De Terre Rvr built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1987.

What condition is County RD E-475 over Pomme De Terre Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does County RD E-475 over Pomme De Terre Rvr carry?

About 125 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD E-475 over Pomme De Terre Rvr?

The structure is 203 ft (61.9 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns County RD E-475 over Pomme De Terre Rvr?

It is owned by the County Highway Agency.