US Bridges

Lp 336 EB over IH 45

Good

Montgomery County, Texas · 1.40 MI N of SH 105 · Structure no. 121700067508211

Built
1989
36 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
334 ft
4 main spans
Daily traffic
7,050
2013 count
Owner
State
State Highway Agency

About this bridge

Lp 336 EB over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying Lp 336 EB over IH 45 in Montgomery County, Texas. It was built in 1989, so it is 36 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 7,050 vehicles a day, roughly 13% of them trucks, projected to reach 9,880 by 2033. The structure is 334 ft (101.8 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 336 EB
CrossesIH 45
Location1.40 MI N of SH 105
RouteState Highway 336
CountyMontgomery County
StateTexas
Coordinates30.33362, -95.47809
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.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span84 ft (25.6 m)
Deck width54 ft (16.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,050 (2013)
Projected traffic9,880 by 2033
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
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 EB over IH 45 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lp 336 EB over IH 45 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 2022.

How much traffic does Lp 336 EB over IH 45 carry?

About 7,050 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is Lp 336 EB over IH 45?

The structure is 334 ft (101.8 m) long with a longest span of 84 ft (25.6 m) and a deck 54 ft wide.

Who owns Lp 336 EB over IH 45?

It is owned by the State Highway Agency.