US Bridges

Lp 336 over Drain

Good

Montgomery County, Texas · 0.70 MI S of SH 105 · Structure no. 121700033811126

Built
1990
35 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
13,156
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 336 over Drain is a concrete culvert carrying Lp 336 over Drain in Montgomery County, Texas. It was built in 1990, so it is 35 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 13,156 vehicles a day, roughly 13% of them trucks, projected to reach 17,590 by 2033. The structure is 29 ft (8.8 m) long.

CarriesLp 336
CrossesDrain
Location0.70 MI S of SH 105
RouteState Highway 336
StateTexas
Coordinates30.31371, -95.39952
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,156 (2020)
Projected traffic17,590 by 2033
Trucks13%
Lanes on structure7
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 336 over Drain built?

It was built in 1990, making it 35 years old in 2025.

What condition is Lp 336 over Drain 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 December 2024.

How much traffic does Lp 336 over Drain carry?

About 13,156 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Lp 336 over Drain?

The structure is 29 ft (8.8 m) long with a longest span of 7 ft (2.1 m).

Who owns Lp 336 over Drain?

It is owned by the State Highway Agency.