US Bridges

Rt Dd S over Bonne Femme CR

Fair

Howard County, Missouri · S 26 T 50 N R 16 W · Structure no. 8296

Built
1962
63 years old, rebuilt 2009
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
207 ft
3 main spans
Daily traffic
679
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Dd S over Bonne Femme CR is a steel stringer/multi-beam or girder carrying Rt Dd S over Bonne Femme CR in Howard County, Missouri. It was built in 1962 and reconstructed in 2009, so it is 63 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 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 679 vehicles a day, roughly 12% of them trucks, projected to reach 849 by 2044. The structure is 207 ft (63.1 m) long and 24 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesRt Dd S
CrossesBonne Femme CR
LocationS 26 T 50 N R 16 W
RouteState Highway 0DD
CountyHoward County
StateMissouri
Coordinates39.10285, -92.69043
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length207 ft (63.1 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic679 (2024)
Projected traffic849 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Dd S over Bonne Femme CR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.

What condition is Rt Dd S 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 June 2023.

How much traffic does Rt Dd S over Bonne Femme CR carry?

About 679 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt Dd S over Bonne Femme CR?

The structure is 207 ft (63.1 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns Rt Dd S over Bonne Femme CR?

It is owned by the State Highway Agency.