US Bridges

US 83 over Arroyo Los Olmos

Good

Starr County, Texas · 2.20 MI E of FM 755 · Structure no. 212140003901001

Built
1926
99 years old, rebuilt 1991
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete
Length
234 ft
6 main spans
Daily traffic
33,240
2013 count
Owner
State
State Highway Agency

About this bridge

US 83 over Arroyo Los Olmos is a concrete tee beam carrying US 83 over Arroyo Los Olmos in Starr County, Texas. It was built in 1926 and reconstructed in 1991, so it is 99 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 33,240 vehicles a day, roughly 6% of them trucks, projected to reach 46,540 by 2033. The structure is 234 ft (71.3 m) long and 100 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUS 83
CrossesArroyo Los Olmos
Location2.20 MI E of FM 755
RouteU.S. Route 83
StateTexas
Coordinates26.36125, -98.78635
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length234 ft (71.3 m)
Longest span39 ft (11.9 m)
Deck width100 ft (30.4 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,240 (2013)
Projected traffic46,540 by 2033
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.7 mi (35 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 Olmos built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1991.

What condition is US 83 over Arroyo Los Olmos 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 Los Olmos carry?

About 33,240 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is US 83 over Arroyo Los Olmos?

The structure is 234 ft (71.3 m) long with a longest span of 39 ft (11.9 m) and a deck 100 ft wide.

Who owns US 83 over Arroyo Los Olmos?

It is owned by the State Highway Agency.