US Bridges

IH 35 SB Ml over SH 123

Good

Hays County, Texas · 1.4 MI S of SH 80 · Structure no. 141060001603470

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
430 ft
4 main spans
Daily traffic
72,412
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 SB Ml over SH 123 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 SB Ml over SH 123 in Hays County, Texas. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72,412 vehicles a day, roughly 17% of them trucks, projected to reach 118,755 by 2042. The structure is 430 ft (131.1 m) long and 87 ft wide.

CarriesIH 35 SB Ml
CrossesSH 123
Location1.4 MI S of SH 80
RouteInterstate 35
StateTexas
Coordinates29.86983, -97.93862
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: 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 spans4
Design loadHL 93
Structure length430 ft (131.1 m)
Longest span127 ft (38.7 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,412 (2023)
Projected traffic118,755 by 2042
Trucks17%
Lanes on structure4
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 SB Ml over SH 123 built?

It was built in 2024, making it 1 years old in 2025.

What condition is IH 35 SB Ml over SH 123 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 December 2024.

How much traffic does IH 35 SB Ml over SH 123 carry?

About 72,412 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IH 35 SB Ml over SH 123?

The structure is 430 ft (131.1 m) long with a longest span of 127 ft (38.7 m) and a deck 87 ft wide.

Who owns IH 35 SB Ml over SH 123?

It is owned by the State Highway Agency.