US Bridges

SP 326 SB over First ST / BNSF RR

Good

Lubbock County, Texas · 0.3 MI N of US 82 · Structure no. 051520006707036

Built
1955
70 years old, rebuilt 1988
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
547 ft
7 main spans
Daily traffic
3,180
2020 count
Owner
State
State Highway Agency

About this bridge

SP 326 SB over First ST / BNSF RR is a steel continuous stringer/multi-beam or girder carrying SP 326 SB over First ST / BNSF RR in Lubbock County, Texas. It was built in 1955 and reconstructed in 1988, so it is 70 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,180 vehicles a day, roughly 1% of them trucks, projected to reach 4,330 by 2033. The structure is 547 ft (166.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSP 326 SB
CrossesFirst ST / BNSF RR
Location0.3 MI N of US 82
RouteState Highway 326
CountyLubbock County
StateTexas
Coordinates33.59703, -101.8548
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+1 approach)
Design loadHS 20
Structure length547 ft (166.7 m)
Longest span96 ft (29.3 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,180 (2020)
Projected traffic4,330 by 2033
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$49,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SP 326 SB over First ST / BNSF RR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1988.

What condition is SP 326 SB over First ST / BNSF RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does SP 326 SB over First ST / BNSF RR carry?

About 3,180 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is SP 326 SB over First ST / BNSF RR?

The structure is 547 ft (166.7 m) long with a longest span of 96 ft (29.3 m) and a deck 45 ft wide.

Who owns SP 326 SB over First ST / BNSF RR?

It is owned by the State Highway Agency.