US Bridges

Lp 336 over Alligator Creek

Good

Montgomery County, Texas · 2.7 MI S of FM 2854 · Structure no. 121700033811116

Built
1988
37 years old, rebuilt 2014
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
16,125
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 336 over Alligator Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 336 over Alligator Creek in Montgomery County, Texas. It was built in 1988 and reconstructed in 2014, so it is 37 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 16,125 vehicles a day, roughly 3% of them trucks, projected to reach 24,188 by 2042. The structure is 204 ft (62.2 m) long and 72 ft wide.

CarriesLp 336
CrossesAlligator Creek
Location2.7 MI S of FM 2854
RouteState Highway 336
StateTexas
Coordinates30.28521, -95.48641
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy9: 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 spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span68 ft (20.7 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,125 (2023)
Projected traffic24,188 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Lp 336 over Alligator Creek built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2014.

What condition is Lp 336 over Alligator Creek 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 September 2024.

How much traffic does Lp 336 over Alligator Creek carry?

About 16,125 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Lp 336 over Alligator Creek?

The structure is 204 ft (62.2 m) long with a longest span of 68 ft (20.7 m) and a deck 72 ft wide.

Who owns Lp 336 over Alligator Creek?

It is owned by the State Highway Agency.