US Bridges

Rt a S over Moniteau CR

Poor

Howard County, Missouri · S 26 T 50 N R 15 W · Structure no. 9678

Built
1953
72 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
4 main spans
Daily traffic
263
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Moniteau CR is a steel stringer/multi-beam or girder carrying Rt a S over Moniteau CR in Howard County, Missouri. It was built in 1953, so it is 72 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 4 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.

It carries about 263 vehicles a day, roughly 11% of them trucks, projected to reach 329 by 2044. The structure is 132 ft (40.2 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt a S
CrossesMoniteau CR
LocationS 26 T 50 N R 15 W
RouteState Highway 0A
Coordinates39.10277, -92.57417
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length132 ft (40.2 m)
Longest span49 ft (15 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2024)
Projected traffic329 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt a S over Moniteau CR built?

It was built in 1953, making it 72 years old in 2025.

What condition is Rt a S over Moniteau CR 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 June 2023.

How much traffic does Rt a S over Moniteau CR carry?

About 263 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a S over Moniteau CR?

The structure is 132 ft (40.2 m) long with a longest span of 49 ft (15 m) and a deck 22 ft wide.

Who owns Rt a S over Moniteau CR?

It is owned by the State Highway Agency.