US Bridges

Carron RD over Trib Fourche a Du

Good

Ste. Genevieve County, Missouri · S 2077 T 38 N R 7 E · Structure no. 31674

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete
Length
28 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Carron RD over Trib Fourche a Du is a concrete slab carrying Carron RD over Trib Fourche a Du in Ste. Genevieve County, Missouri. It was built in 2004, so it is 21 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2044. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCarron RD
CrossesTrib Fourche a Du
LocationS 2077 T 38 N R 7 E
RouteCounty Highway 0
Coordinates38.02187, -90.24636
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic135 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carron RD over Trib Fourche a Du built?

It was built in 2004, making it 21 years old in 2025.

What condition is Carron RD over Trib Fourche a Du in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Carron RD over Trib Fourche a Du carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Carron RD over Trib Fourche a Du?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 26 ft wide.

Who owns Carron RD over Trib Fourche a Du?

It is owned by the County Highway Agency.