US Bridges

Rt B S over Dry Fk CR

GoodPosted for load

Gasconade County, Missouri · S 29 T 41 N R 6 W · Structure no. 8404

Built
1964
61 years old, rebuilt 2022
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
3 main spans
Daily traffic
915
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Dry Fk CR is a steel continuous stringer/multi-beam or girder carrying Rt B S over Dry Fk CR in Gasconade County, Missouri. It was built in 1964 and reconstructed in 2022, so it is 61 years old, older 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. Its operating status is: posted for load restriction.

It carries about 915 vehicles a day, roughly 10% of them trucks, projected to reach 1,190 by 2044. The structure is 261 ft (79.6 m) long and 27 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRt B S
CrossesDry Fk CR
LocationS 29 T 41 N R 6 W
RouteState Highway 0B
Coordinates38.26664, -91.62496
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length261 ft (79.6 m)
Longest span102 ft (31.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic915 (2024)
Projected traffic1,190 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt B S over Dry Fk CR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2022.

What condition is Rt B S over Dry Fk CR 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 September 2024.

How much traffic does Rt B S over Dry Fk CR carry?

About 915 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt B S over Dry Fk CR?

The structure is 261 ft (79.6 m) long with a longest span of 102 ft (31.1 m) and a deck 27 ft wide.

Who owns Rt B S over Dry Fk CR?

It is owned by the State Highway Agency.