US Bridges

SH 326 over Pine Island Bayou Relief

Fair

Jefferson County, Texas · 4.0 MI N of US 90 · Structure no. 201240060102012

Built
1989
36 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
4,141
2018 count
Owner
State
State Highway Agency

About this bridge

SH 326 over Pine Island Bayou Relief is a concrete stringer/multi-beam or girder carrying SH 326 over Pine Island Bayou Relief in Jefferson County, Texas. It was built in 1989, so it is 36 years old, younger 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 4,141 vehicles a day, projected to reach 6,280 by 2031. The structure is 121 ft (36.9 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSH 326
CrossesPine Island Bayou Relief
Location4.0 MI N of US 90
RouteState Highway 326
CountyJefferson County
StateTexas
Coordinates30.09839, -94.40571
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,141 (2018)
Projected traffic6,280 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 326 over Pine Island Bayou Relief built?

It was built in 1989, making it 36 years old in 2025.

What condition is SH 326 over Pine Island Bayou Relief 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 June 2024.

How much traffic does SH 326 over Pine Island Bayou Relief carry?

About 4,141 vehicles per day (2018 count).

How long is SH 326 over Pine Island Bayou Relief?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns SH 326 over Pine Island Bayou Relief?

It is owned by the State Highway Agency.