US Bridges

SH 125 Ml over Willow Creek

Poor

Jackson County, Colorado · 35 MI N of Granby · Structure no. C-12-B

Built
1955
70 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
220
2020 count
Owner
State
State Highway Agency

About this bridge

SH 125 Ml over Willow Creek is a concrete tee beam carrying SH 125 Ml over Willow Creek in Jackson County, Colorado. It was built in 1955, so it is 70 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.

It carries about 220 vehicles a day, roughly 16% of them trucks, projected to reach 277 by 2040. The structure is 63 ft (19.1 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSH 125 Ml
CrossesWillow Creek
Location35 MI N of Granby
RouteState Highway 125A
Coordinates40.49496, -106.21407
Functional classRural Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating53.4 US tons
Inventory rating31.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic277 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 125 Ml over Willow Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 125 Ml over Willow 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 September 2024.

How much traffic does SH 125 Ml over Willow Creek carry?

About 220 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 125 Ml over Willow Creek?

The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns SH 125 Ml over Willow Creek?

It is owned by the State Highway Agency.