US Bridges

I 76 Ml Wbnd over SH 55 Ml

Good

Logan County, Colorado · Crook Interchange · Structure no. A-25-J

Built
1966
59 years old, rebuilt 1990
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
3,800
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml Wbnd over SH 55 Ml is a prestressed concrete continuous box beam or girders - single or spread carrying I 76 Ml Wbnd over SH 55 Ml in Logan County, Colorado. It was built in 1966 and reconstructed in 1990, so it is 59 years old, older than the Colorado average of 42.2 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 3,800 vehicles a day, roughly 28% of them trucks, projected to reach 4,674 by 2040. The structure is 118 ft (36 m) long and 41 ft wide.

CarriesI 76 Ml Wbnd
CrossesSH 55 Ml
LocationCrook Interchange
RouteInterstate 76A
Coordinates40.82361, -102.80501
Functional classRural Principal Arterial - Interstate

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating65.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length118 ft (36 m)
Longest span39 ft (11.9 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2020)
Projected traffic4,674 by 2040
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 76 Ml Wbnd over SH 55 Ml built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1990.

What condition is I 76 Ml Wbnd over SH 55 Ml 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 June 2023.

How much traffic does I 76 Ml Wbnd over SH 55 Ml carry?

About 3,800 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is I 76 Ml Wbnd over SH 55 Ml?

The structure is 118 ft (36 m) long with a longest span of 39 ft (11.9 m) and a deck 41 ft wide.

Who owns I 76 Ml Wbnd over SH 55 Ml?

It is owned by the State Highway Agency.