US Bridges

I 76 Ml Wbnd over County Road 55

Fair

Logan County, Colorado · 31.5 MI NE of JCT US 34 · Structure no. B-24-I

Built
1966
59 years old, rebuilt 1992
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
4,150
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml Wbnd over County Road 55 is a prestressed concrete continuous box beam or girders - single or spread carrying I 76 Ml Wbnd over County Road 55 in Logan County, Colorado. It was built in 1966 and reconstructed in 1992, 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 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 4,150 vehicles a day, roughly 36% of them trucks, projected to reach 5,437 by 2040. The structure is 137 ft (41.9 m) long and 40 ft wide.

CarriesI 76 Ml Wbnd
CrossesCounty Road 55
Location31.5 MI NE of JCT US 34
RouteInterstate 76A
Coordinates40.70863, -103.05561
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating68 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.9 m)
Longest span44 ft (13.4 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2020)
Projected traffic5,437 by 2040
Trucks36%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 76 Ml Wbnd over County Road 55 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

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

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

About 4,150 vehicles per day (2020 count), of which roughly 36% are trucks.

How long is I 76 Ml Wbnd over County Road 55?

The structure is 137 ft (41.9 m) long with a longest span of 44 ft (13.4 m) and a deck 40 ft wide.

Who owns I 76 Ml Wbnd over County Road 55?

It is owned by the State Highway Agency.