US Bridges

SH 99 over Langston DR

Good

Chambers County, Texas · 0.5 MI NW of IH 10 · Structure no. 200360351010270

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
1 main span
Daily traffic
5,400
2022 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Langston DR is a prestressed concrete stringer/multi-beam or girder carrying SH 99 over Langston DR in Chambers County, Texas. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,400 vehicles a day, roughly 11% of them trucks, projected to reach 20,000 by 2038. The structure is 201 ft (61.3 m) long and 46 ft wide.

CarriesSH 99
CrossesLangston DR
Location0.5 MI NW of IH 10
RouteState Highway 99
StateTexas
Coordinates29.83142, -94.86979
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum 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 (+2 approach)
Design loadHL 93
Structure length201 ft (61.3 m)
Longest span101 ft (30.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2022)
Projected traffic20,000 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
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 SH 99 over Langston DR built?

It was built in 2022, making it 3 years old in 2025.

What condition is SH 99 over Langston DR 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 June 2024.

How much traffic does SH 99 over Langston DR carry?

About 5,400 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SH 99 over Langston DR?

The structure is 201 ft (61.3 m) long with a longest span of 101 ft (30.8 m) and a deck 46 ft wide.

Who owns SH 99 over Langston DR?

It is owned by the State Highway Agency and maintained by the State Toll Authority.