US Bridges

Rt C E over Simpson Br

Fair

Moniteau County, Missouri · S 18 T 43 N R 15 W · Structure no. 9744

Built
1947
78 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
762
2024 count
Owner
State
State Highway Agency

About this bridge

Rt C E over Simpson Br is a concrete continuous culvert carrying Rt C E over Simpson Br in Moniteau County, Missouri. It was built in 1947, so it is 78 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 762 vehicles a day, roughly 4% of them trucks, projected to reach 1,219 by 2044. The structure is 21 ft (6.4 m) long and 32 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt C E
CrossesSimpson Br
LocationS 18 T 43 N R 15 W
RouteState Highway 0C
CountyMoniteau County
StateMissouri
Coordinates38.47606, -92.61408
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic762 (2024)
Projected traffic1,219 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt C E over Simpson Br built?

It was built in 1947, making it 78 years old in 2025.

What condition is Rt C E over Simpson Br 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 June 2023.

How much traffic does Rt C E over Simpson Br carry?

About 762 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt C E over Simpson Br?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Rt C E over Simpson Br?

It is owned by the State Highway Agency.