US Bridges

Bw 8 SB over Tanner Road

Good

Harris County, Texas · 1.8 MI S of US 290 · Structure no. 121020325601166

Built
1990
35 years old, rebuilt 2002
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
269 ft
1 main span
Daily traffic
41,423
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 SB over Tanner Road is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 SB over Tanner Road in Harris County, Texas. It was built in 1990 and reconstructed in 2002, 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 41,423 vehicles a day, roughly 7% of them trucks, projected to reach 7,456 by 2033. The structure is 269 ft (82 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBw 8 SB
CrossesTanner Road
Location1.8 MI S of US 290
StateTexas
Coordinates29.8503, -95.56392
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 loadHS 20
Structure length269 ft (82 m)
Longest span117 ft (35.7 m)
Deck width72 ft (21.8 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,423 (2015)
Projected traffic7,456 by 2033
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal 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 Bw 8 SB over Tanner Road built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2002.

What condition is Bw 8 SB over Tanner Road 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 November 2022.

How much traffic does Bw 8 SB over Tanner Road carry?

About 41,423 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Bw 8 SB over Tanner Road?

The structure is 269 ft (82 m) long with a longest span of 117 ft (35.7 m) and a deck 72 ft wide.

Who owns Bw 8 SB over Tanner Road?

It is owned by the Local Toll Authority.