US Bridges

SH 391 Ml Sbnd over Bear Creek

Fair

Jefferson County, Colorado · In Lakewood · Structure no. F-16-JO

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
5 main spans
Daily traffic
18,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 391 Ml Sbnd over Bear Creek is a steel continuous stringer/multi-beam or girder carrying SH 391 Ml Sbnd over Bear Creek in Jefferson County, Colorado. It was built in 1982, so it is 43 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 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 19,440 by 2040. The structure is 304 ft (92.8 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 391 Ml Sbnd
CrossesBear Creek
LocationIn Lakewood
RouteState Highway 391A
Coordinates39.66283, -105.11283
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length304 ft (92.8 m)
Longest span69 ft (20.9 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2020)
Projected traffic19,440 by 2040
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 391 Ml Sbnd over Bear Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is SH 391 Ml Sbnd 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 February 2024.

How much traffic does SH 391 Ml Sbnd over Bear Creek carry?

About 18,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 391 Ml Sbnd over Bear Creek?

The structure is 304 ft (92.8 m) long with a longest span of 69 ft (20.9 m) and a deck 39 ft wide.

Who owns SH 391 Ml Sbnd over Bear Creek?

It is owned by the State Highway Agency.