US Bridges

Rt Tt E over Slough CR

Fair

Saline County, Missouri · S 4 T 49 N R 19 W · Structure no. 7109

Built
1958
67 years old, rebuilt 2009
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
3 main spans
Daily traffic
40
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Tt E over Slough CR is a steel stringer/multi-beam or girder carrying Rt Tt E over Slough CR in Saline County, Missouri. It was built in 1958 and reconstructed in 2009, so it is 67 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 40 vehicles a day, roughly 17% of them trucks, projected to reach 50 by 2044. The structure is 96 ft (29.3 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRt Tt E
CrossesSlough CR
LocationS 4 T 49 N R 19 W
RouteState Highway 0TT
CountySaline County
StateMissouri
Coordinates39.05478, -92.96413
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length96 ft (29.3 m)
Longest span32 ft (9.9 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic50 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Tt E over Slough CR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2009.

What condition is Rt Tt E over Slough 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 December 2024.

How much traffic does Rt Tt E over Slough CR carry?

About 40 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt Tt E over Slough CR?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.9 m) and a deck 25 ft wide.

Who owns Rt Tt E over Slough CR?

It is owned by the State Highway Agency.