US Bridges

IH 35 NB Ml over SH 80

Fair

Hays County, Texas · 1.4 MI N of SH 123 · Structure no. 141060001603126

Built
1963
62 years old, rebuilt 2004
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
51,766
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Ml over SH 80 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB Ml over SH 80 in Hays County, Texas. It was built in 1963 and reconstructed in 2004, so it is 62 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 51,766 vehicles a day, roughly 12% of them trucks, projected to reach 81,390 by 2033. The structure is 200 ft (61 m) long and 57 ft wide.

CarriesIH 35 NB Ml
CrossesSH 80
Location1.4 MI N of SH 123
RouteInterstate 35
StateTexas
Coordinates29.88263, -97.9218
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length200 ft (61 m)
Longest span60 ft (18.3 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,766 (2019)
Projected traffic81,390 by 2033
Trucks12%
Lanes on structure3
Traffic directionOne-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 NB Ml over SH 80 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2004.

What condition is IH 35 NB Ml over SH 80 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 September 2022.

How much traffic does IH 35 NB Ml over SH 80 carry?

About 51,766 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is IH 35 NB Ml over SH 80?

The structure is 200 ft (61 m) long with a longest span of 60 ft (18.3 m) and a deck 57 ft wide.

Who owns IH 35 NB Ml over SH 80?

It is owned by the State Highway Agency.