US Bridges

Rt T S over Black CR

Fair

Shelby County, Missouri · S 17 T 57 N R 9 W · Structure no. 4345

Built
1996
29 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
246 ft
5 main spans
Daily traffic
139
2024 count
Owner
State
State Highway Agency

About this bridge

Rt T S over Black CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt T S over Black CR in Shelby County, Missouri. It was built in 1996, so it is 29 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 139 vehicles a day, roughly 12% of them trucks, projected to reach 202 by 2044. The structure is 246 ft (75 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRt T S
CrossesBlack CR
LocationS 17 T 57 N R 9 W
RouteState Highway 0T
Coordinates39.73818, -91.93612
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length246 ft (75 m)
Longest span50 ft (15.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2024)
Projected traffic202 by 2044
Trucks12%
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 T S over Black CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Rt T S over Black 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 September 2023.

How much traffic does Rt T S over Black CR carry?

About 139 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt T S over Black CR?

The structure is 246 ft (75 m) long with a longest span of 50 ft (15.1 m) and a deck 35 ft wide.

Who owns Rt T S over Black CR?

It is owned by the State Highway Agency.