US Bridges

Nashville Chrch RD over Trib Bonne Femme C

Good

Boone County, Missouri · S 25 T 47 N R 13 W · Structure no. 23808

Built
1980
45 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Nashville Chrch RD over Trib Bonne Femme C is a prestressed concrete tee beam carrying Nashville Chrch RD over Trib Bonne Femme C in Boone County, Missouri. It was built in 1980, so it is 45 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 133 by 2043. The structure is 36 ft (11 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNashville Chrch RD
CrossesTrib Bonne Femme C
LocationS 25 T 47 N R 13 W
RouteCounty Highway 434
Coordinates38.82072, -92.34283
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating63.5 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic133 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Nashville Chrch RD over Trib Bonne Femme C built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nashville Chrch RD over Trib Bonne Femme C 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 December 2024.

How much traffic does Nashville Chrch RD over Trib Bonne Femme C carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Nashville Chrch RD over Trib Bonne Femme C?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 23 ft wide.

Who owns Nashville Chrch RD over Trib Bonne Femme C?

It is owned by the County Highway Agency.