US Bridges

SH 80 over Seal Creek

Fair

Caldwell County, Texas · 2.7 MI NW of US 183 · Structure no. 140280028603011

Built
1935
90 years old, rebuilt 1959
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
200 ft
7 main spans
Daily traffic
5,927
2023 count
Owner
State
State Highway Agency

About this bridge

SH 80 over Seal Creek is a concrete tee beam carrying SH 80 over Seal Creek in Caldwell County, Texas. It was built in 1935 and reconstructed in 1959, so it is 90 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 5,927 vehicles a day, roughly 15% of them trucks, projected to reach 8,298 by 2042. The structure is 200 ft (61 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSH 80
CrossesSeal Creek
Location2.7 MI NW of US 183
RouteState Highway 80
StateTexas
Coordinates29.69533, -97.68623
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length200 ft (61 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,927 (2023)
Projected traffic8,298 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 80 over Seal Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1959.

What condition is SH 80 over Seal 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 October 2024.

How much traffic does SH 80 over Seal Creek carry?

About 5,927 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 80 over Seal Creek?

The structure is 200 ft (61 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns SH 80 over Seal Creek?

It is owned by the State Highway Agency.