US Bridges

S 11th ST over Alpine Creek

Fair

Brewster County, Texas · 0.20 MI S of US 67/US 90 · Structure no. 240220B00535001

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,856
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 11th ST over Alpine Creek is a prestressed concrete box beam or girders - multiple carrying S 11th ST over Alpine Creek in Brewster County, Texas. It was built in 1982, so it is 43 years old, younger 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 1,856 vehicles a day, roughly 22% of them trucks, projected to reach 2,250 by 2030. The structure is 70 ft (21.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS 11th ST
CrossesAlpine Creek
Location0.20 MI S of US 67/US 90
RouteCity Street 0
StateTexas
Coordinates30.35374, -103.66653
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,856 (2022)
Projected traffic2,250 by 2030
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 11th ST over Alpine Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is S 11th ST over Alpine 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 April 2024.

How much traffic does S 11th ST over Alpine Creek carry?

About 1,856 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is S 11th ST over Alpine Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns S 11th ST over Alpine Creek?

It is owned by the City or Municipal Highway Agency.