US Bridges

Rt P S over Br of Monegaw CR

Fair

St. Clair County, Missouri · S 17 T 39 N R 28 W · Structure no. 9181

Built
1935
90 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
570
2024 count
Owner
State
State Highway Agency

About this bridge

Rt P S over Br of Monegaw CR is a concrete continuous culvert carrying Rt P S over Br of Monegaw CR in St. Clair County, Missouri. It was built in 1935, so it is 90 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 5 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 570 vehicles a day, roughly 8% of them trucks, projected to reach 741 by 2044. The structure is 23 ft (7.1 m) long and 30 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt P S
CrossesBr of Monegaw CR
LocationS 17 T 39 N R 28 W
RouteState Highway 0P
CountySt. Clair County
StateMissouri
Coordinates38.16134, -94.03375
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7.1 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2024)
Projected traffic741 by 2044
Trucks8%
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 P S over Br of Monegaw CR built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rt P S over Br of Monegaw CR 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 March 2023.

How much traffic does Rt P S over Br of Monegaw CR carry?

About 570 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt P S over Br of Monegaw CR?

The structure is 23 ft (7.1 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns Rt P S over Br of Monegaw CR?

It is owned by the State Highway Agency.