US Bridges

SH 70 over Antelope Creek

Fair

Briscoe County, Texas · 22.8 MI E of SH 86 · Structure no. 250230031104011

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
363
2020 count
Owner
State
State Highway Agency

About this bridge

SH 70 over Antelope Creek is a concrete culvert carrying SH 70 over Antelope Creek in Briscoe County, Texas. It was built in 1955, so it is 70 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 6 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 363 vehicles a day, roughly 36% of them trucks, projected to reach 420 by 2033. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesSH 70
CrossesAntelope Creek
Location22.8 MI E of SH 86
RouteState Highway 70
CountyBriscoe County
StateTexas
Coordinates34.60005, -100.96031
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic363 (2020)
Projected traffic420 by 2033
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 70 over Antelope Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 70 over Antelope 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 May 2023.

How much traffic does SH 70 over Antelope Creek carry?

About 363 vehicles per day (2020 count), of which roughly 36% are trucks.

How long is SH 70 over Antelope Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns SH 70 over Antelope Creek?

It is owned by the State Highway Agency.