US Bridges

SH 146 over SH3/UP/TCT/GH&H RR

Poor

Galveston County, Texas · 1.10 MI NW of SH 197 · Structure no. 120850005103042

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,001 ft
5 main spans
Daily traffic
9,090
2013 count
Owner
State
State Highway Agency

About this bridge

SH 146 over SH3/UP/TCT/GH&H RR is a steel continuous stringer/multi-beam or girder carrying SH 146 over SH3/UP/TCT/GH&H RR in Galveston County, Texas. It was built in 1968, so it is 57 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,090 vehicles a day, roughly 8% of them trucks, projected to reach 12,720 by 2033. The structure is 1,001 ft (305.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 146
CrossesSH3/UP/TCT/GH&H RR
Location1.10 MI NW of SH 197
RouteState Highway 146
CountyGalveston County
StateTexas
Coordinates29.3494, -94.94211
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+11 approach)
Design loadH 20
Structure length1,001 ft (305.1 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,090 (2013)
Projected traffic12,720 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 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$68,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 146 over SH3/UP/TCT/GH&H RR built?

It was built in 1968, making it 57 years old in 2025.

What condition is SH 146 over SH3/UP/TCT/GH&H RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does SH 146 over SH3/UP/TCT/GH&H RR carry?

About 9,090 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is SH 146 over SH3/UP/TCT/GH&H RR?

The structure is 1,001 ft (305.1 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns SH 146 over SH3/UP/TCT/GH&H RR?

It is owned by the State Highway Agency.