US Bridges

I 76 Ml over Jim Creek

Fair

Weld County, Colorado · 3.49 MI NW of JCT SH 52 · Structure no. D-18-P

Built
1961
64 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
16,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml over Jim Creek is a concrete culvert carrying I 76 Ml over Jim Creek in Weld County, Colorado. It was built in 1961, so it is 64 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 16,000 vehicles a day, roughly 19% of them trucks, projected to reach 22,560 by 2040. The structure is 29 ft (8.8 m) long and 266 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 76 Ml
CrossesJim Creek
Location3.49 MI NW of JCT SH 52
RouteInterstate 76A
Coordinates40.10475, -104.59389
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width266 ft (81.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2020)
Projected traffic22,560 by 2040
Trucks19%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 over Jim Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 76 Ml over Jim Creek 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 2023.

How much traffic does I 76 Ml over Jim Creek carry?

About 16,000 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is I 76 Ml over Jim Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 266 ft wide.

Who owns I 76 Ml over Jim Creek?

It is owned by the State Highway Agency.