US Bridges

IH 35 NB over FM 310

Good

Hill County, Texas · 5.5 MI N of FM 1242 · Structure no. 091100001407476

Built
2001
24 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
35,209
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over FM 310 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB over FM 310 in Hill County, Texas. It was built in 2001, so it is 24 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 35,209 vehicles a day, roughly 36% of them trucks, projected to reach 48,885 by 2039. The structure is 124 ft (37.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 NB
CrossesFM 310
Location5.5 MI N of FM 1242
RouteInterstate 35
StateTexas
Coordinates31.95719, -97.11533
Functional classRural 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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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 spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span124 ft (37.8 m)
Deck width59 ft (18 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,209 (2019)
Projected traffic48,885 by 2039
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 NB over FM 310 built?

It was built in 2001, making it 24 years old in 2025.

What condition is IH 35 NB over FM 310 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 November 2022.

How much traffic does IH 35 NB over FM 310 carry?

About 35,209 vehicles per day (2019 count), of which roughly 36% are trucks.

How long is IH 35 NB over FM 310?

The structure is 124 ft (37.8 m) long with a longest span of 124 ft (37.8 m) and a deck 59 ft wide.

Who owns IH 35 NB over FM 310?

It is owned by the State Highway Agency.