US Bridges

L24A Darr Cnlk over I80

Good

Dawson County, Nebraska · Darr Intrchg · Structure no. S080 23113

Built
1964
61 years old, rebuilt 2009
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
560
2018 count
Owner
State
State Highway Agency

About this bridge

L24A Darr Cnlk over I80 is a prestressed concrete stringer/multi-beam or girder carrying L24A Darr Cnlk over I80 in Dawson County, Nebraska. It was built in 1964 and reconstructed in 2009, so it is 61 years old, older than the Nebraska average of 47.1 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 560 vehicles a day, roughly 12% of them trucks, projected to reach 672 by 2038. The structure is 252 ft (76.8 m) long and 33 ft wide.

CarriesL24A Darr Cnlk
CrossesI80
LocationDarr Intrchg
RouteState Highway 0L24A
Coordinates40.7799, -99.8448
Functional classRural Major Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating63.9 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length252 ft (76.8 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2018)
Projected traffic672 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was L24A Darr Cnlk over I80 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2009.

What condition is L24A Darr Cnlk over I80 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 October 2023.

How much traffic does L24A Darr Cnlk over I80 carry?

About 560 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is L24A Darr Cnlk over I80?

The structure is 252 ft (76.8 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns L24A Darr Cnlk over I80?

It is owned by the State Highway Agency.