US Bridges

IH 35 NB over Union Pacific Railroad

Good

McLennan County, Texas · 0.2 MI N of Lp 340 N · Structure no. 091610001501321

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
210 ft
4 main spans
Daily traffic
43,233
2017 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over Union Pacific Railroad is a concrete continuous slab carrying IH 35 NB over Union Pacific Railroad in McLennan County, Texas. It was built in 1972, so it is 53 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 43,233 vehicles a day, roughly 31% of them trucks, projected to reach 112,390 by 2037. The structure is 210 ft (64 m) long and 73 ft wide.

Location

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CarriesIH 35 NB
CrossesUnion Pacific Railroad
Location0.2 MI N of Lp 340 N
RouteInterstate 35
CountyMcLennan County
StateTexas
Coordinates31.60741, -97.10483
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.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span60 ft (18.3 m)
Deck width73 ft (22.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,233 (2017)
Projected traffic112,390 by 2037
Trucks31%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB over Union Pacific Railroad built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 35 NB over Union Pacific Railroad 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 February 2023.

How much traffic does IH 35 NB over Union Pacific Railroad carry?

About 43,233 vehicles per day (2017 count), of which roughly 31% are trucks.

How long is IH 35 NB over Union Pacific Railroad?

The structure is 210 ft (64 m) long with a longest span of 60 ft (18.3 m) and a deck 73 ft wide.

Who owns IH 35 NB over Union Pacific Railroad?

It is owned by the State Highway Agency.