US Bridges

IH 35 Ml over US 59

Fair

Webb County, Texas · 1.70 MI N of US 83 · Structure no. 222400001806089

Built
1965
60 years old, rebuilt 1997
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
83,271
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Ml over US 59 is a steel continuous stringer/multi-beam or girder carrying IH 35 Ml over US 59 in Webb County, Texas. It was built in 1965 and reconstructed in 1997, so it is 60 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 83,271 vehicles a day, roughly 4% of them trucks, projected to reach 116,579 by 2042. The structure is 200 ft (61 m) long and 114 ft wide.

CarriesIH 35 Ml
CrossesUS 59
Location1.70 MI N of US 83
RouteInterstate 35
StateTexas
Coordinates27.53087, -99.50294
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span90 ft (27.4 m)
Deck width114 ft (34.7 m)
Roadway width108 ft (33 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,271 (2023)
Projected traffic116,579 by 2042
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 Ml over US 59 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is IH 35 Ml over US 59 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 October 2024.

How much traffic does IH 35 Ml over US 59 carry?

About 83,271 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is IH 35 Ml over US 59?

The structure is 200 ft (61 m) long with a longest span of 90 ft (27.4 m) and a deck 114 ft wide.

Who owns IH 35 Ml over US 59?

It is owned by the State Highway Agency.