US Bridges

IH 10 over Sandy Branch West Relief

Fair

Colorado County, Texas · 0.3 MI E of FM 102 · Structure no. 130450027101171

Built
1966
59 years old, rebuilt 1986
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
45,603
2021 count
Owner
State
State Highway Agency

About this bridge

IH 10 over Sandy Branch West Relief is a concrete culvert carrying IH 10 over Sandy Branch West Relief in Colorado County, Texas. It was built in 1966 and reconstructed in 1986, so it is 59 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 45,603 vehicles a day, roughly 29% of them trucks, projected to reach 63,844 by 2041. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 10
CrossesSandy Branch West Relief
Location0.3 MI E of FM 102
RouteInterstate 10
CountyColorado County
StateTexas
Coordinates29.71468, -96.47646
Functional classRural Principal Arterial - Interstate

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
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 length36 ft (11 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 traffic45,603 (2021)
Projected traffic63,844 by 2041
Trucks29%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 10 over Sandy Branch West Relief built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1986.

What condition is IH 10 over Sandy Branch West 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 IH 10 over Sandy Branch West Relief carry?

About 45,603 vehicles per day (2021 count), of which roughly 29% are trucks.

How long is IH 10 over Sandy Branch West Relief?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m).

Who owns IH 10 over Sandy Branch West Relief?

It is owned by the State Highway Agency.