US Bridges

US 385 Ml over Frenchman Creek

Fair

Phillips County, Colorado · In Holyoke · Structure no. B-27-E

Built
1949
76 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
4 main spans
Daily traffic
1,900
2018 count
Owner
State
State Highway Agency

About this bridge

US 385 Ml over Frenchman Creek is a steel stringer/multi-beam or girder carrying US 385 Ml over Frenchman Creek in Phillips County, Colorado. It was built in 1949, so it is 76 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,900 vehicles a day, roughly 18% of them trucks, projected to reach 2,356 by 2038. The structure is 168 ft (51.2 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 385 Ml
CrossesFrenchman Creek
LocationIn Holyoke
RouteU.S. Route 385D
Coordinates40.59078, -102.30229
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating32.3 US tons
Inventory rating19.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2018)
Projected traffic2,356 by 2038
Trucks18%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 385 Ml over Frenchman Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 385 Ml over Frenchman Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does US 385 Ml over Frenchman Creek carry?

About 1,900 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is US 385 Ml over Frenchman Creek?

The structure is 168 ft (51.2 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns US 385 Ml over Frenchman Creek?

It is owned by the State Highway Agency.