US Bridges

US 83 over Arroyo De Los Mudos

Good

Starr County, Texas · 5.00 MI NW of FM 650 · Structure no. 212140003806030

Built
1929
96 years old, rebuilt 1958
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
70 ft
8 main spans
Daily traffic
4,342
2020 count
Owner
State
State Highway Agency

About this bridge

US 83 over Arroyo De Los Mudos is a concrete culvert carrying US 83 over Arroyo De Los Mudos in Starr County, Texas. It was built in 1929 and reconstructed in 1958, so it is 96 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 4,342 vehicles a day, roughly 21% of them trucks, projected to reach 7,130 by 2033. The structure is 70 ft (21.3 m) long and 66 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesUS 83
CrossesArroyo De Los Mudos
Location5.00 MI NW of FM 650
RouteU.S. Route 83
StateTexas
Coordinates26.48589, -99.0569
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 evaluation6: Equal to present minimum criteria
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
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length70 ft (21.3 m)
Longest span8 ft (2.4 m)
Deck width66 ft (20.2 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,342 (2020)
Projected traffic7,130 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 De Los Mudos built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1958.

What condition is US 83 over Arroyo De Los Mudos 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 De Los Mudos carry?

About 4,342 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is US 83 over Arroyo De Los Mudos?

The structure is 70 ft (21.3 m) long with a longest span of 8 ft (2.4 m) and a deck 66 ft wide.

Who owns US 83 over Arroyo De Los Mudos?

It is owned by the State Highway Agency.