US Bridges

12th ST over Cottonwood Creek

FairPosted for load

Matagorda County, Texas · 0.30 MI E of SH 60 · Structure no. 131580B00155001

Built
1964
61 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
63 ft
2 main spans
Daily traffic
2,440
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th ST over Cottonwood Creek is a concrete stringer/multi-beam or girder carrying 12th ST over Cottonwood Creek in Matagorda County, Texas. It was built in 1964, so it is 61 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. Its operating status is: posted for load restriction.

It carries about 2,440 vehicles a day, roughly 3% of them trucks, projected to reach 3,416 by 2042. The structure is 63 ft (19.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th ST
CrossesCottonwood Creek
Location0.30 MI E of SH 60
RouteCity Street 0
CountyMatagorda County
StateTexas
Coordinates28.98836, -95.96552
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,440 (2022)
Projected traffic3,416 by 2042
Trucks3%
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 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 12th ST over Cottonwood Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is 12th ST over Cottonwood 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 February 2024.

How much traffic does 12th ST over Cottonwood Creek carry?

About 2,440 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 12th ST over Cottonwood Creek?

The structure is 63 ft (19.2 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns 12th ST over Cottonwood Creek?

It is owned by the City or Municipal Highway Agency.