US Bridges

SH 174 over Nolan River

Fair

Hill County, Texas · 1.4 MI NE of FM 933 · Structure no. 091100051902004

Built
1950
75 years old, rebuilt 1973
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
396 ft
3 main spans
Daily traffic
5,601
2020 count
Owner
State
State Highway Agency

About this bridge

SH 174 over Nolan River is a steel continuous stringer/multi-beam or girder carrying SH 174 over Nolan River in Hill County, Texas. It was built in 1950 and reconstructed in 1973, so it is 75 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 5 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 5,601 vehicles a day, roughly 7% of them trucks, projected to reach 6,124 by 2039. The structure is 396 ft (120.7 m) long and 50 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSH 174
CrossesNolan River
Location1.4 MI NE of FM 933
RouteState Highway 174
CountyHill County
StateTexas
Coordinates32.1746, -97.3895
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadOther
Structure length396 ft (120.7 m)
Longest span75 ft (22.9 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,601 (2020)
Projected traffic6,124 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 174 over Nolan River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1973.

What condition is SH 174 over Nolan River 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 January 2025.

How much traffic does SH 174 over Nolan River carry?

About 5,601 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 174 over Nolan River?

The structure is 396 ft (120.7 m) long with a longest span of 75 ft (22.9 m) and a deck 50 ft wide.

Who owns SH 174 over Nolan River?

It is owned by the State Highway Agency.