US Bridges

SH-108 N over Walnut Creek

Fair

Palo Pinto County, Texas · 2.1 MI E of SH-16 · Structure no. 021820034301002

Built
1925
100 years old, rebuilt 1955
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
166 ft
1 main span
Daily traffic
957
2024 count
Owner
State
State Highway Agency

About this bridge

SH-108 N over Walnut Creek is a concrete tee beam carrying SH-108 N over Walnut Creek in Palo Pinto County, Texas. It was built in 1925 and reconstructed in 1955, so it is 100 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 957 vehicles a day, roughly 13% of them trucks, projected to reach 1,170 by 2033. The structure is 166 ft (50.6 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSH-108 N
CrossesWalnut Creek
Location2.1 MI E of SH-16
RouteState Highway 108
CountyPalo Pinto County
StateTexas
Coordinates32.55691, -98.46068
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadUnknown
Structure length166 ft (50.6 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic957 (2024)
Projected traffic1,170 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH-108 N over Walnut Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1955.

What condition is SH-108 N over Walnut Creek 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 April 2023.

How much traffic does SH-108 N over Walnut Creek carry?

About 957 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SH-108 N over Walnut Creek?

The structure is 166 ft (50.6 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns SH-108 N over Walnut Creek?

It is owned by the State Highway Agency.