US Bridges

SH 81 over Trib Island Creek

Good

Hill County, Texas · 1.5 MI N of FM 67 · Structure no. 091100001405537

Built
2013
12 years old
Condition
Good
inspected December 2024
Type
Other
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
1,489
2023 count
Owner
State
State Highway Agency

About this bridge

SH 81 over Trib Island Creek is a prestressed concrete other carrying SH 81 over Trib Island Creek in Hill County, Texas. It was built in 2013, so it is 12 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 1,489 vehicles a day, roughly 17% of them trucks, projected to reach 1,291 by 2039. The structure is 100 ft (30.5 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSH 81
CrossesTrib Island Creek
Location1.5 MI N of FM 67
RouteState Highway 81
CountyHill County
StateTexas
Coordinates32.23546, -97.18136
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,489 (2023)
Projected traffic1,291 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 81 over Trib Island Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 81 over Trib Island 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 December 2024.

How much traffic does SH 81 over Trib Island Creek carry?

About 1,489 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SH 81 over Trib Island Creek?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.

Who owns SH 81 over Trib Island Creek?

It is owned by the State Highway Agency.