US Bridges

SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB

Fair

Galveston County, Texas · 0.12 MI W of IH 45 · Structure no. 120850019204070

Built
1965
60 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
3 main spans
Daily traffic
4,300
2011 count
Owner
State
State Highway Agency

About this bridge

SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB is a prestressed concrete stringer/multi-beam or girder carrying SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB in Galveston County, Texas. It was built in 1965, so it is 60 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 4,300 vehicles a day, roughly 8% of them trucks, projected to reach 6,020 by 2031. The structure is 190 ft (57.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 146 Sb/Sh 6 WB
CrossesSH 6 EB to SH 146 NB
Location0.12 MI W of IH 45
RouteState Highway 6
StateTexas
Coordinates29.33024, -94.93562
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2011)
Projected traffic6,020 by 2031
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB 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 August 2022.

How much traffic does SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB carry?

About 4,300 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB?

The structure is 190 ft (57.9 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns SH 146 Sb/Sh 6 WB over SH 6 EB to SH 146 NB?

It is owned by the State Highway Agency.