US Bridges

SH 108 over Barton Creek

Good

Erath County, Texas · 4.30 MI S of IH 20 · Structure no. 020730034303032

Built
1996
29 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
835
2020 count
Owner
State
State Highway Agency

About this bridge

SH 108 over Barton Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 108 over Barton Creek in Erath County, Texas. It was built in 1996, so it is 29 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 835 vehicles a day, roughly 14% of them trucks, projected to reach 1,200 by 2033. The structure is 110 ft (33.5 m) long and 42 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 108
CrossesBarton Creek
Location4.30 MI S of IH 20
RouteState Highway 108
StateTexas
Coordinates32.45306, -98.36061
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2020)
Projected traffic1,200 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Barton Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH 108 over Barton 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 August 2024.

How much traffic does SH 108 over Barton Creek carry?

About 835 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 108 over Barton Creek?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.

Who owns SH 108 over Barton Creek?

It is owned by the State Highway Agency.