US Bridges

SH 108 over Trib. of Salt Creek

Good

Erath County, Texas · 3.15 Mi. S. of IH-20 · Structure no. 020730034303129

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,388
2024 count
Owner
State
State Highway Agency

About this bridge

SH 108 over Trib. of Salt Creek is a concrete culvert carrying SH 108 over Trib. of Salt Creek in Erath County, Texas. It was built in 2018, so it is 7 years old, younger 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 1,388 vehicles a day, roughly 14% of them trucks, projected to reach 1,300 by 2035. The structure is 33 ft (10.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 108
CrossesTrib. of Salt Creek
Location3.15 Mi. S. of IH-20
RouteState Highway 108
StateTexas
Coordinates32.46941, -98.35975
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,388 (2024)
Projected traffic1,300 by 2035
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 108 over Trib. of Salt Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 108 over Trib. of Salt Creek 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 September 2024.

How much traffic does SH 108 over Trib. of Salt Creek carry?

About 1,388 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SH 108 over Trib. of Salt Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns SH 108 over Trib. of Salt Creek?

It is owned by the State Highway Agency.