US Bridges

CR 420 over Clarks Creek

FairPosted for load

Lavaca County, Texas · 0.85 MI SW of FM 531 · Structure no. 131430AA0400001

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Other
Other
Length
137 ft
1 main span
Daily traffic
50
2012 count
Owner
County
County Highway Agency

About this bridge

CR 420 over Clarks Creek is a other other carrying CR 420 over Clarks Creek in Lavaca County, Texas. It was built in 1989, so it is 36 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 100 by 2032. The structure is 137 ft (41.8 m) long and 15 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCR 420
CrossesClarks Creek
Location0.85 MI SW of FM 531
RouteCounty Highway 420
CountyLavaca County
StateTexas
Coordinates29.29748, -97.02726
Functional classRural 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
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeOther
MaterialOther
DeckOpen grating
Main spans1 (+2 approach)
Design loadUnknown
Structure length137 ft (41.8 m)
Longest span91 ft (27.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic100 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 420 over Clarks Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 420 over Clarks 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 January 2024.

How much traffic does CR 420 over Clarks Creek carry?

About 50 vehicles per day (2012 count).

How long is CR 420 over Clarks Creek?

The structure is 137 ft (41.8 m) long with a longest span of 91 ft (27.7 m) and a deck 15 ft wide.

Who owns CR 420 over Clarks Creek?

It is owned by the County Highway Agency.