US Bridges

Bs 6 NB over SH 6 SB

Fair

Grimes County, Texas · 1.1 MI NW of FM 3090 · Structure no. 170940005003054

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
295 ft
1 main span
Daily traffic
2,664
2023 count
Owner
State
State Highway Agency

About this bridge

Bs 6 NB over SH 6 SB is a steel continuous stringer/multi-beam or girder carrying Bs 6 NB over SH 6 SB in Grimes County, Texas. It was built in 1971, so it is 54 years old, older 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 2,664 vehicles a day, roughly 4% of them trucks, projected to reach 3,815 by 2041. The structure is 295 ft (89.9 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesBs 6 NB
CrossesSH 6 SB
Location1.1 MI NW of FM 3090
RouteState Highway 6
CountyGrimes County
StateTexas
Coordinates30.4137, -96.10129
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span135 ft (41.1 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,664 (2023)
Projected traffic3,815 by 2041
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bs 6 NB over SH 6 SB built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bs 6 NB over SH 6 SB 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 May 2023.

How much traffic does Bs 6 NB over SH 6 SB carry?

About 2,664 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bs 6 NB over SH 6 SB?

The structure is 295 ft (89.9 m) long with a longest span of 135 ft (41.1 m) and a deck 44 ft wide.

Who owns Bs 6 NB over SH 6 SB?

It is owned by the State Highway Agency.