US Bridges

IH 35 Ml over Willow Springs Creek

Good

Hays County, Texas · 0.4 MI N of SH 123 · Structure no. 141060001603229

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
3 main spans
Daily traffic
144,823
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Ml over Willow Springs Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Ml over Willow Springs Creek in Hays County, Texas. It was built in 2004, so it is 21 years old, younger 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 144,823 vehicles a day, roughly 17% of them trucks, projected to reach 237,510 by 2042. The structure is 162 ft (49.4 m) long and 122 ft wide.

CarriesIH 35 Ml
CrossesWillow Springs Creek
Location0.4 MI N of SH 123
RouteInterstate 35
StateTexas
Coordinates29.87273, -97.93468
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span54 ft (16.5 m)
Deck width122 ft (37.1 m)
Roadway width120 ft (36.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144,823 (2023)
Projected traffic237,510 by 2042
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Ml over Willow Springs Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is IH 35 Ml over Willow Springs Creek 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 September 2024.

How much traffic does IH 35 Ml over Willow Springs Creek carry?

About 144,823 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IH 35 Ml over Willow Springs Creek?

The structure is 162 ft (49.4 m) long with a longest span of 54 ft (16.5 m) and a deck 122 ft wide.

Who owns IH 35 Ml over Willow Springs Creek?

It is owned by the State Highway Agency.