US Bridges

County RD NE 1301 over Trib Briley CR

Fair

St. Clair County, Missouri · S 4 T 38 N R 24 W · Structure no. 23814

Built
1948
77 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD NE 1301 over Trib Briley CR is a concrete culvert carrying County RD NE 1301 over Trib Briley CR in St. Clair County, Missouri. It was built in 1948, so it is 77 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCounty RD NE 1301
CrossesTrib Briley CR
LocationS 4 T 38 N R 24 W
RouteCounty Highway 434
CountySt. Clair County
StateMissouri
Coordinates38.08025, -93.56553
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length43 ft (13.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic60 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 NE 1301 over Trib Briley CR built?

It was built in 1948, making it 77 years old in 2025.

What condition is County RD NE 1301 over Trib Briley 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 December 2023.

How much traffic does County RD NE 1301 over Trib Briley CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD NE 1301 over Trib Briley CR?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.7 m).

Who owns County RD NE 1301 over Trib Briley CR?

It is owned by the County Highway Agency.