US Bridges

US 87 over Cox Hollow

Fair

Sterling County, Texas · 6.05 MI SE of SH 158 · Structure no. 072160006904115

Built
1971
54 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
111 ft
10 main spans
Daily traffic
6,667
2020 count
Owner
State
State Highway Agency

About this bridge

US 87 over Cox Hollow is a concrete culvert carrying US 87 over Cox Hollow in Sterling County, Texas. It was built in 1971, so it is 54 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 6,667 vehicles a day, roughly 17% of them trucks, projected to reach 9,330 by 2033. The structure is 111 ft (33.8 m) long.

Location

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CarriesUS 87
CrossesCox Hollow
Location6.05 MI SE of SH 158
RouteU.S. Route 87
CountySterling County
StateTexas
Coordinates31.78384, -100.89777
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadHS 20
Structure length111 ft (33.8 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 traffic6,667 (2020)
Projected traffic9,330 by 2033
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 87 over Cox Hollow built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 87 over Cox Hollow 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 2024.

How much traffic does US 87 over Cox Hollow carry?

About 6,667 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is US 87 over Cox Hollow?

The structure is 111 ft (33.8 m) long with a longest span of 10 ft (3 m).

Who owns US 87 over Cox Hollow?

It is owned by the State Highway Agency.