US Bridges

SH6EB to SH146NB over SH 146 SB

Fair

Galveston County, Texas · 0.20 MI N of IH 45 · Structure no. 120850019204141

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

About this bridge

SH6EB to SH146NB over SH 146 SB is a prestressed concrete stringer/multi-beam or girder carrying SH6EB to SH146NB over SH 146 SB 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 180 ft (54.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSH6EB to SH146NB
CrossesSH 146 SB
Location0.20 MI N of IH 45
RouteState Highway 6
CountyGalveston County
StateTexas
Coordinates29.33308, -94.93172
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 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 closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$13,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH6EB to SH146NB over SH 146 SB built?

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

What condition is SH6EB to SH146NB over SH 146 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 August 2022.

How much traffic does SH6EB to SH146NB over SH 146 SB carry?

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

How long is SH6EB to SH146NB over SH 146 SB?

The structure is 180 ft (54.9 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns SH6EB to SH146NB over SH 146 SB?

It is owned by the State Highway Agency.