US Bridges

I 76 Ml Ebnd over County Roads 386 24.4

Fair

Weld County, Colorado · 1.3 MI NE of Roggen · Structure no. D-19-S

Built
1959
66 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml Ebnd over County Roads 386 24.4 is a concrete culvert carrying I 76 Ml Ebnd over County Roads 386 24.4 in Weld County, Colorado. It was built in 1959, so it is 66 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 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 6,000 vehicles a day, roughly 19% of them trucks, projected to reach 8,160 by 2040. The structure is 20 ft (6.1 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 76 Ml Ebnd
CrossesCounty Roads 386 24.4
Location1.3 MI NE of Roggen
RouteInterstate 76A
Coordinates40.1708, -104.35299
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
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.9 US tons
Inventory rating60.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic8,160 by 2040
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
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 Ebnd over County Roads 386 24.4 built?

It was built in 1959, making it 66 years old in 2025.

What condition is I 76 Ml Ebnd over County Roads 386 24.4 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 February 2025.

How much traffic does I 76 Ml Ebnd over County Roads 386 24.4 carry?

About 6,000 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is I 76 Ml Ebnd over County Roads 386 24.4?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns I 76 Ml Ebnd over County Roads 386 24.4?

It is owned by the State Highway Agency.