US Bridges

IH 35 over Alligator Creek Trib

Good

Hill County, Texas · 1.8 MI S of FM 1242 · Structure no. 091100001407530

Built
2014
11 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
70,161
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Alligator Creek Trib is a concrete culvert carrying IH 35 over Alligator Creek Trib in Hill County, Texas. It was built in 2014, so it is 11 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 70,161 vehicles a day, roughly 36% of them trucks, projected to reach 98,173 by 2039. The structure is 40 ft (12.2 m) long.

CarriesIH 35
CrossesAlligator Creek Trib
Location1.8 MI S of FM 1242
RouteInterstate 35
StateTexas
Coordinates31.85826, -97.08401
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,161 (2019)
Projected traffic98,173 by 2039
Trucks36%
Lanes on structure10
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 over Alligator Creek Trib built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH 35 over Alligator Creek Trib 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 over Alligator Creek Trib carry?

About 70,161 vehicles per day (2019 count), of which roughly 36% are trucks.

How long is IH 35 over Alligator Creek Trib?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns IH 35 over Alligator Creek Trib?

It is owned by the State Highway Agency.