US Bridges

County RD 118 over Bonne Femme CR

Fair

Howard County, Missouri · S 16 T 51 N R 15 W · Structure no. 13415

Built
1981
44 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 118 over Bonne Femme CR is a concrete culvert carrying County RD 118 over Bonne Femme CR in Howard County, Missouri. It was built in 1981, so it is 44 years old, younger 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 118
CrossesBonne Femme CR
LocationS 16 T 51 N R 15 W
RouteCounty Highway 38
CountyHoward County
StateMissouri
Coordinates39.21485, -92.61046
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 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 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 118 over Bonne Femme CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is County RD 118 over Bonne Femme 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 February 2024.

How much traffic does County RD 118 over Bonne Femme CR carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 118 over Bonne Femme CR?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns County RD 118 over Bonne Femme CR?

It is owned by the County Highway Agency.