US Bridges

12th ST over Wolf Hollow Crk Trib

Fair

Nolan County, Texas · 0.85 MI W of SH 70 · Structure no. 081770B01275002

Built
1938
87 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
1,159
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th ST over Wolf Hollow Crk Trib is a concrete continuous slab carrying 12th ST over Wolf Hollow Crk Trib in Nolan County, Texas. It was built in 1938, so it is 87 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 1,159 vehicles a day, roughly 3% of them trucks, projected to reach 2,549 by 2040. The structure is 40 ft (12.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th ST
CrossesWolf Hollow Crk Trib
Location0.85 MI W of SH 70
RouteCity Street 0
CountyNolan County
StateTexas
Coordinates32.4774, -100.41534
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span13 ft (4 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,159 (2020)
Projected traffic2,549 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 12th ST over Wolf Hollow Crk Trib built?

It was built in 1938, making it 87 years old in 2025.

What condition is 12th ST over Wolf Hollow Crk Trib 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 March 2024.

How much traffic does 12th ST over Wolf Hollow Crk Trib carry?

About 1,159 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is 12th ST over Wolf Hollow Crk Trib?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m) and a deck 50 ft wide.

Who owns 12th ST over Wolf Hollow Crk Trib?

It is owned by the City or Municipal Highway Agency.