US Bridges

US 83 over Arroyo Molletes

Good

Zapata County, Texas · 9.7 MI S of FM 3169 · Structure no. 212530003804064

Built
1953
72 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
5,234
2024 count
Owner
State
State Highway Agency

About this bridge

US 83 over Arroyo Molletes is a concrete culvert carrying US 83 over Arroyo Molletes in Zapata County, Texas. It was built in 1953, so it is 72 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,234 vehicles a day, roughly 21% of them trucks, projected to reach 8,890 by 2033. The structure is 33 ft (10.1 m) long and 83 ft wide. If it were closed, the detour would be 64 mi (103 km).

CarriesUS 83
CrossesArroyo Molletes
Location9.7 MI S of FM 3169
RouteU.S. Route 83
StateTexas
Coordinates26.94812, -99.32599
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 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
Deck geometry9: Superior to present desirable criteria
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 loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width83 ft (25.4 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,234 (2024)
Projected traffic8,890 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed64 mi (103 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 US 83 over Arroyo Molletes built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 83 over Arroyo Molletes in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does US 83 over Arroyo Molletes carry?

About 5,234 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US 83 over Arroyo Molletes?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 83 ft wide.

Who owns US 83 over Arroyo Molletes?

It is owned by the State Highway Agency.