US Bridges

US 90A over Skull Creek Relief

Fair

Colorado County, Texas · 2.4 MI SW of SH 71 · Structure no. 130450044602020

Built
1948
77 years old, rebuilt 1961
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
100 ft
4 main spans
Daily traffic
4,336
2021 count
Owner
State
State Highway Agency

About this bridge

US 90A over Skull Creek Relief is a concrete continuous slab carrying US 90A over Skull Creek Relief in Colorado County, Texas. It was built in 1948 and reconstructed in 1961, so it is 77 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 5 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 4,336 vehicles a day, roughly 12% of them trucks, projected to reach 5,377 by 2041. The structure is 100 ft (30.5 m) long and 42 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS 90A
CrossesSkull Creek Relief
Location2.4 MI SW of SH 71
RouteU.S. Route 90
StateTexas
Coordinates29.56217, -96.50586
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,336 (2021)
Projected traffic5,377 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed21.1 mi (34 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 US 90A over Skull Creek Relief built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1961.

What condition is US 90A over Skull Creek Relief 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 March 2023.

How much traffic does US 90A over Skull Creek Relief carry?

About 4,336 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US 90A over Skull Creek Relief?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns US 90A over Skull Creek Relief?

It is owned by the State Highway Agency.