US Bridges

IH 27 Nbml over Hillside RD

Fair

Randall County, Texas · 2.4 MI NE of Lp 335S · Structure no. 041910016809056

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
1 main span
Daily traffic
13,105
2019 count
Owner
State
State Highway Agency

About this bridge

IH 27 Nbml over Hillside RD is a prestressed concrete stringer/multi-beam or girder carrying IH 27 Nbml over Hillside RD in Randall County, Texas. It was built in 1985, so it is 40 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 5 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 13,105 vehicles a day, roughly 11% of them trucks, projected to reach 21,160 by 2033. The structure is 169 ft (51.5 m) long and 40 ft wide.

CarriesIH 27 Nbml
CrossesHillside RD
Location2.4 MI NE of Lp 335S
RouteInterstate 27
StateTexas
Coordinates35.14655, -101.88663
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans1 (+2 approach)
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span79 ft (24.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,105 (2019)
Projected traffic21,160 by 2033
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 27 Nbml over Hillside RD built?

It was built in 1985, making it 40 years old in 2025.

What condition is IH 27 Nbml over Hillside RD 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 October 2023.

How much traffic does IH 27 Nbml over Hillside RD carry?

About 13,105 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is IH 27 Nbml over Hillside RD?

The structure is 169 ft (51.5 m) long with a longest span of 79 ft (24.1 m) and a deck 40 ft wide.

Who owns IH 27 Nbml over Hillside RD?

It is owned by the State Highway Agency.