US Bridges

US 40 Ml over E Fork Elk River

Good

Routt County, Colorado · 7 MI W of Stmbt. Springs · Structure no. C-09-AU

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
5,700
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over E Fork Elk River is a prestressed concrete continuous box beam or girders - multiple carrying US 40 Ml over E Fork Elk River in Routt County, Colorado. It was built in 2013, so it is 12 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,700 vehicles a day, roughly 11% of them trucks, projected to reach 6,726 by 2040. The structure is 203 ft (61.9 m) long and 43 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUS 40 Ml
CrossesE Fork Elk River
Location7 MI W of Stmbt. Springs
RouteU.S. Route 40A
Coordinates40.48679, -106.96869
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length203 ft (61.9 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2020)
Projected traffic6,726 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 US 40 Ml over E Fork Elk River built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 40 Ml over E Fork Elk River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does US 40 Ml over E Fork Elk River carry?

About 5,700 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 40 Ml over E Fork Elk River?

The structure is 203 ft (61.9 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns US 40 Ml over E Fork Elk River?

It is owned by the State Highway Agency.