US Bridges

I 76 Ml Ebnd over Clear Creek

Poor

Jefferson County, Colorado · 1.4 M E of JCT SH 121 · Structure no. E-16-IU

Built
1984
41 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
401 ft
3 main spans
Daily traffic
38,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml Ebnd over Clear Creek is a steel continuous stringer/multi-beam or girder carrying I 76 Ml Ebnd over Clear Creek in Jefferson County, Colorado. It was built in 1984, so it is 41 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 38,000 vehicles a day, roughly 11% of them trucks, projected to reach 50,160 by 2040. The structure is 401 ft (122.2 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 76 Ml Ebnd
CrossesClear Creek
Location1.4 M E of JCT SH 121
RouteInterstate 76A
Coordinates39.79321, -105.05921
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length401 ft (122.2 m)
Longest span150 ft (45.7 m)
Deck width53 ft (16.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,000 (2020)
Projected traffic50,160 by 2040
Trucks11%
Lanes on structure2
Traffic directionOne-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 Ebnd over Clear Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is I 76 Ml Ebnd over Clear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does I 76 Ml Ebnd over Clear Creek carry?

About 38,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is I 76 Ml Ebnd over Clear Creek?

The structure is 401 ft (122.2 m) long with a longest span of 150 ft (45.7 m) and a deck 53 ft wide.

Who owns I 76 Ml Ebnd over Clear Creek?

It is owned by the State Highway Agency.