US Bridges

IH 35 Sbml over Union Pacific RR

Fair

McLennan County, Texas · 2.1 Mi. North of FM 107 · Structure no. 091610001502576

Built
2019
6 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
523 ft
1 main span
Daily traffic
36,299
2017 count
Owner
State
State Highway Agency

About this bridge

IH 35 Sbml over Union Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Sbml over Union Pacific RR in McLennan County, Texas. It was built in 2019, so it is 6 years old, younger 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 36,299 vehicles a day, roughly 34% of them trucks, projected to reach 50,820 by 2037. The structure is 523 ft (159.4 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35 Sbml
CrossesUnion Pacific RR
Location2.1 Mi. North of FM 107
RouteInterstate 35
CountyMcLennan County
StateTexas
Coordinates31.32031, -97.23547
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHL 93
Structure length523 ft (159.4 m)
Longest span163 ft (49.7 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,299 (2017)
Projected traffic50,820 by 2037
Trucks34%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
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 Sbml over Union Pacific RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is IH 35 Sbml over Union Pacific RR 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 January 2023.

How much traffic does IH 35 Sbml over Union Pacific RR carry?

About 36,299 vehicles per day (2017 count), of which roughly 34% are trucks.

How long is IH 35 Sbml over Union Pacific RR?

The structure is 523 ft (159.4 m) long with a longest span of 163 ft (49.7 m) and a deck 60 ft wide.

Who owns IH 35 Sbml over Union Pacific RR?

It is owned by the State Highway Agency.