US Bridges

SH 99 over Future Thouroughfare 5B

Fair

Liberty County, Texas · 1.55 MI S of FM 1413 · Structure no. 200360351009272

Built
2022
3 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,401 ft
12 main spans
Daily traffic
6,750
2018 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Future Thouroughfare 5B is a prestressed concrete stringer/multi-beam or girder carrying SH 99 over Future Thouroughfare 5B in Liberty 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,750 vehicles a day, roughly 10% of them trucks, projected to reach 16,650 by 2049. The structure is 1,401 ft (427 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 99
CrossesFuture Thouroughfare 5B
Location1.55 MI S of FM 1413
RouteState Highway 99
StateTexas
Coordinates29.93642, -94.92994
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 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 spans12
Design loadHL 93
Structure length1,401 ft (427 m)
Longest span123 ft (37.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2018)
Projected traffic16,650 by 2049
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed3.1 mi (5 km)
TollToll bridge
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 SH 99 over Future Thouroughfare 5B built?

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

What condition is SH 99 over Future Thouroughfare 5B in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SH 99 over Future Thouroughfare 5B carry?

About 6,750 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SH 99 over Future Thouroughfare 5B?

The structure is 1,401 ft (427 m) long with a longest span of 123 ft (37.5 m) and a deck 46 ft wide.

Who owns SH 99 over Future Thouroughfare 5B?

It is owned by the State Highway Agency.