US Bridges

Sl 178 over St.Louis & S.W. RR

Fair

Hunt County, Texas · 1.39 MI W JCT SH50&SP178 · Structure no. 011170008311058

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
1,466
2024 count
Owner
State
State Highway Agency

About this bridge

Sl 178 over St.Louis & S.W. RR is a concrete stringer/multi-beam or girder carrying Sl 178 over St.Louis & S.W. RR in Hunt County, Texas. It was built in 1975, so it is 50 years old, older than the Texas average of 44.4 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 1,466 vehicles a day, roughly 19% of them trucks, projected to reach 2,570 by 2033. The structure is 120 ft (36.6 m) long and 54 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSl 178
CrossesSt.Louis & S.W. RR
Location1.39 MI W JCT SH50&SP178
RouteState Highway 178
CountyHunt County
StateTexas
Coordinates33.24117, -95.93474
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,466 (2024)
Projected traffic2,570 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sl 178 over St.Louis & S.W. RR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sl 178 over St.Louis & S.W. RR 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 October 2024.

How much traffic does Sl 178 over St.Louis & S.W. RR carry?

About 1,466 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Sl 178 over St.Louis & S.W. RR?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 54 ft wide.

Who owns Sl 178 over St.Louis & S.W. RR?

It is owned by the State Highway Agency.