US Bridges

SH 14 Ml over Coalbank Creek

Good

Weld County, Colorado · 3.5 MI West of Ault · Structure no. B-17-BU

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
8,900
2020 count
Owner
State
State Highway Agency

About this bridge

SH 14 Ml over Coalbank Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 14 Ml over Coalbank Creek in Weld 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,900 vehicles a day, roughly 11% of them trucks, projected to reach 13,261 by 2040. The structure is 129 ft (39.2 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 14 Ml
CrossesCoalbank Creek
Location3.5 MI West of Ault
RouteState Highway 14C
Coordinates40.58213, -104.80479
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length129 ft (39.2 m)
Longest span125 ft (38.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2020)
Projected traffic13,261 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 14 Ml over Coalbank Creek built?

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

What condition is SH 14 Ml over Coalbank 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 November 2023.

How much traffic does SH 14 Ml over Coalbank Creek carry?

About 8,900 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 14 Ml over Coalbank Creek?

The structure is 129 ft (39.2 m) long with a longest span of 125 ft (38.1 m) and a deck 47 ft wide.

Who owns SH 14 Ml over Coalbank Creek?

It is owned by the State Highway Agency.