US Bridges

US 6 Ml over Elk Creek

PoorPosted for load

Garfield County, Colorado · In New Castle · Structure no. F-06-A

Built
1933
92 years old
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
103 ft
1 main span
Daily traffic
2,200
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml over Elk Creek is a steel truss - thru carrying US 6 Ml over Elk Creek in Garfield County, Colorado. It was built in 1933, so it is 92 years old, older 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 4 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. Its operating status is: posted for load restriction.

It carries about 2,200 vehicles a day, roughly 7% of them trucks, projected to reach 2,882 by 2040. The structure is 103 ft (31.4 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 6 Ml
CrossesElk Creek
LocationIn New Castle
RouteU.S. Route 6D
Coordinates39.57141, -107.53945
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.3 US tons
Inventory rating13.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2020)
Projected traffic2,882 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$619,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6 Ml over Elk Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is US 6 Ml over Elk 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 July 2024.

How much traffic does US 6 Ml over Elk Creek carry?

About 2,200 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 6 Ml over Elk Creek?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 25 ft wide.

Who owns US 6 Ml over Elk Creek?

It is owned by the State Highway Agency.