US Bridges

SH 74 Ml over Bear Creek

Fair

Jefferson County, Colorado · S.E. Edge of Evergreen · Structure no. F-15-BD

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 74 Ml over Bear Creek is a concrete culvert carrying SH 74 Ml over Bear Creek in Jefferson 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 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 6,000 vehicles a day, roughly 3% of them trucks, projected to reach 6,300 by 2040. The structure is 35 ft (10.7 m) long and 46 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSH 74 Ml
CrossesBear Creek
LocationS.E. Edge of Evergreen
RouteState Highway 74A
Coordinates39.63657, -105.31517
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating70.1 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span16 ft (5 m)
Deck width46 ft (14 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic6,300 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

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 SH 74 Ml over Bear Creek built?

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

What condition is SH 74 Ml over Bear 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 August 2023.

How much traffic does SH 74 Ml over Bear Creek carry?

About 6,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 74 Ml over Bear Creek?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (5 m) and a deck 46 ft wide.

Who owns SH 74 Ml over Bear Creek?

It is owned by the State Highway Agency.