US Bridges

Rt Bb S over Salt Fk CR

Good

Saline County, Missouri · S 28 T 51 N R 23 W · Structure no. 2134

Built
1968
57 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
3 main spans
Daily traffic
145
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Salt Fk CR is a steel continuous stringer/multi-beam or girder carrying Rt Bb S over Salt Fk CR in Saline County, Missouri. It was built in 1968, so it is 57 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.

It carries about 145 vehicles a day, roughly 18% of them trucks, projected to reach 181 by 2044. The structure is 233 ft (71 m) long and 31 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt Bb S
CrossesSalt Fk CR
LocationS 28 T 51 N R 23 W
RouteState Highway 0BB
Coordinates39.18399, -93.44627
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length233 ft (71 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2024)
Projected traffic181 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Bb S over Salt Fk CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Rt Bb S over Salt 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 December 2023.

How much traffic does Rt Bb S over Salt Fk CR carry?

About 145 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rt Bb S over Salt Fk CR?

The structure is 233 ft (71 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Rt Bb S over Salt Fk CR?

It is owned by the State Highway Agency.