US Bridges

IH 35 Sbml over Leon River

Good

Bell County, Texas · 0.1 MI NE of FM 93 · Structure no. 090140001514336

Built
1975
50 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
4 main spans
Daily traffic
66,808
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Sbml over Leon River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Sbml over Leon River in Bell County, Texas. It was built in 1975, so it is 50 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 66,808 vehicles a day, roughly 18% of them trucks, projected to reach 90,859 by 2042. The structure is 260 ft (79.2 m) long and 63 ft wide.

CarriesIH 35 Sbml
CrossesLeon River
Location0.1 MI NE of FM 93
RouteInterstate 35
StateTexas
Coordinates31.05753, -97.44452
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 rating75 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span65 ft (19.8 m)
Deck width63 ft (19.1 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,808 (2023)
Projected traffic90,859 by 2042
Trucks18%
Lanes on structure3
Traffic directionOne-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 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 IH 35 Sbml over Leon River built?

It was built in 1975, making it 50 years old in 2025.

What condition is IH 35 Sbml over Leon River 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 January 2025.

How much traffic does IH 35 Sbml over Leon River carry?

About 66,808 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is IH 35 Sbml over Leon River?

The structure is 260 ft (79.2 m) long with a longest span of 65 ft (19.8 m) and a deck 63 ft wide.

Who owns IH 35 Sbml over Leon River?

It is owned by the State Highway Agency.