US Bridges

9th ST over Wolf Hollow Crk Trib

Good

Nolan County, Texas · 0.05 MI E of Walnut · Structure no. 081770B00880001

Built
1939
86 years old
Condition
Good
inspected March 2024
Type
Culvert
Masonry
Length
40 ft
3 main spans
Daily traffic
210
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

9th ST over Wolf Hollow Crk Trib is a masonry culvert carrying 9th ST over Wolf Hollow Crk Trib in Nolan County, Texas. It was built in 1939, so it is 86 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 210 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2027. 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).

Carries9th ST
CrossesWolf Hollow Crk Trib
Location0.05 MI E of Walnut
RouteCity Street 0
StateTexas
Coordinates32.47409, -100.41571
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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 typeCulvert
MaterialMasonry
DeckOther
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic300 by 2027
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 9th ST over Wolf Hollow Crk Trib built?

It was built in 1939, making it 86 years old in 2025.

What condition is 9th ST over Wolf Hollow Crk Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does 9th ST over Wolf Hollow Crk Trib carry?

About 210 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 9th ST over Wolf Hollow Crk Trib?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns 9th ST over Wolf Hollow Crk Trib?

It is owned by the City or Municipal Highway Agency.