US Bridges

US 83 over Arroyo Los Morenos

Fair

Starr County, Texas · 0.95 MI W of FM 649 · Structure no. 212140003807032

Built
1929
96 years old, rebuilt 1980
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
54 ft
6 main spans
Daily traffic
19,164
2020 count
Owner
State
State Highway Agency

About this bridge

US 83 over Arroyo Los Morenos is a concrete culvert carrying US 83 over Arroyo Los Morenos in Starr County, Texas. It was built in 1929 and reconstructed in 1980, 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 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 19,164 vehicles a day, roughly 6% of them trucks, projected to reach 28,040 by 2033. The structure is 54 ft (16.5 m) long and 66 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesUS 83
CrossesArroyo Los Morenos
Location0.95 MI W of FM 649
RouteU.S. Route 83
CountyStarr County
StateTexas
Coordinates26.40935, -98.95481
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
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 spans6
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span8 ft (2.4 m)
Deck width66 ft (20.2 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,164 (2020)
Projected traffic28,040 by 2033
Trucks6%
Lanes on structure5
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 Los Morenos built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1980.

What condition is US 83 over Arroyo Los Morenos 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 2023.

How much traffic does US 83 over Arroyo Los Morenos carry?

About 19,164 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 83 over Arroyo Los Morenos?

The structure is 54 ft (16.5 m) long with a longest span of 8 ft (2.4 m) and a deck 66 ft wide.

Who owns US 83 over Arroyo Los Morenos?

It is owned by the State Highway Agency.