US Bridges

66th ST over IH 27

Fair

Lubbock County, Texas · 0.20 MI S of US 84 · Structure no. 051520006801090

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
331 ft
2 main spans
Daily traffic
10,000
2011 count
Owner
State
State Highway Agency

About this bridge

66th ST over IH 27 is a prestressed concrete stringer/multi-beam or girder carrying 66th ST 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 10,000 vehicles a day, projected to reach 5,000 by 2031. The structure is 331 ft (100.9 m) long and 78 ft wide.

Location

Open in Google Maps
Carries66th ST
CrossesIH 27
Location0.20 MI S of US 84
RouteCity Street 0
CountyLubbock County
StateTexas
Coordinates33.5342, -101.84449
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span118 ft (36 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2011)
Projected traffic5,000 by 2031
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 66th ST over IH 27 built?

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

What condition is 66th ST 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 August 2023.

How much traffic does 66th ST over IH 27 carry?

About 10,000 vehicles per day (2011 count).

How long is 66th ST over IH 27?

The structure is 331 ft (100.9 m) long with a longest span of 118 ft (36 m) and a deck 78 ft wide.

Who owns 66th ST over IH 27?

It is owned by the State Highway Agency.