US Bridges

SP 326 NB over IH 27

Fair

Lubbock County, Texas · 0.4 MI S of Lp 289 · Structure no. 051520006711167

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
428 ft
2 main spans
Daily traffic
2,890
2013 count
Owner
State
State Highway Agency

About this bridge

SP 326 NB over IH 27 is a prestressed concrete stringer/multi-beam or girder carrying SP 326 NB over IH 27 in Lubbock County, Texas. It was built in 1988, so it is 37 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 2,890 vehicles a day, roughly 7% of them trucks, projected to reach 4,040 by 2033. The structure is 428 ft (130.5 m) long and 38 ft wide.

CarriesSP 326 NB
CrossesIH 27
Location0.4 MI S of Lp 289
RouteState Highway 326
StateTexas
Coordinates33.61324, -101.84577
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length428 ft (130.5 m)
Longest span134 ft (40.8 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,890 (2013)
Projected traffic4,040 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SP 326 NB over IH 27 built?

It was built in 1988, making it 37 years old in 2025.

What condition is SP 326 NB over IH 27 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 November 2023.

How much traffic does SP 326 NB over IH 27 carry?

About 2,890 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is SP 326 NB over IH 27?

The structure is 428 ft (130.5 m) long with a longest span of 134 ft (40.8 m) and a deck 38 ft wide.

Who owns SP 326 NB over IH 27?

It is owned by the State Highway Agency.