US Bridges

SH 165 Ml over Willis Creek

Good

Custer County, Colorado · 1.11 MI N of JCT SH 78 · Structure no. L-16-AE

Built
1945
80 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
280
2020 count
Owner
State
State Highway Agency

About this bridge

SH 165 Ml over Willis Creek is a wood or timber stringer/multi-beam or girder carrying SH 165 Ml over Willis Creek in Custer County, Colorado. It was built in 1945, so it is 80 years old, older 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 280 vehicles a day, roughly 7% of them trucks, projected to reach 347 by 2040. The structure is 23 ft (6.9 m) long and 27 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

CarriesSH 165 Ml
CrossesWillis Creek
Location1.11 MI N of JCT SH 78
RouteState Highway 165A
Coordinates38.01419, -105.06922
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating42.4 US tons
Inventory rating29.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span20 ft (6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic347 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 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 165 Ml over Willis Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is SH 165 Ml over Willis 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 August 2024.

How much traffic does SH 165 Ml over Willis Creek carry?

About 280 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 165 Ml over Willis Creek?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6 m) and a deck 27 ft wide.

Who owns SH 165 Ml over Willis Creek?

It is owned by the State Highway Agency.