US Bridges

SH 72 Ml over Coal Creek

Good

Jefferson County, Colorado · 3.4 MI W of JCT SH 93 · Structure no. E-15-AR

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
5,100
2020 count
Owner
State
State Highway Agency

About this bridge

SH 72 Ml over Coal Creek is a concrete culvert carrying SH 72 Ml over Coal Creek in Jefferson County, Colorado. It was built in 2020, so it is 5 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 5,100 vehicles a day, roughly 2% of them trucks, projected to reach 6,324 by 2040. The structure is 43 ft (13 m) long and 49 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSH 72 Ml
CrossesCoal Creek
Location3.4 MI W of JCT SH 93
RouteState Highway 72A
Coordinates39.88236, -105.29783
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106.8 US tons
Inventory rating89 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length43 ft (13 m)
Longest span21 ft (6.3 m)
Deck width49 ft (14.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2020)
Projected traffic6,324 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$420,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 72 Ml over Coal Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 72 Ml over Coal Creek 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 2023.

How much traffic does SH 72 Ml over Coal Creek carry?

About 5,100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SH 72 Ml over Coal Creek?

The structure is 43 ft (13 m) long with a longest span of 21 ft (6.3 m) and a deck 49 ft wide.

Who owns SH 72 Ml over Coal Creek?

It is owned by the State Highway Agency.