US Bridges

US 6 Ml over Frenchman Creek

Poor

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

Built
1935
90 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
191 ft
6 main spans
Daily traffic
1,900
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml over Frenchman Creek is a steel stringer/multi-beam or girder carrying US 6 Ml over Frenchman Creek in Phillips County, Colorado. It was built in 1935, so it is 90 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 1,900 vehicles a day, roughly 22% of them trucks, projected to reach 2,223 by 2040. The structure is 191 ft (58.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 6 Ml
CrossesFrenchman Creek
LocationIn Holyoke
RouteU.S. Route 6J
Coordinates40.5864, -102.318
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
Deck4 PoorAdvanced section loss, deterioration, 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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating42.9 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length191 ft (58.3 m)
Longest span31 ft (9.6 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2020)
Projected traffic2,223 by 2040
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 6 Ml over Frenchman Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is US 6 Ml over Frenchman 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 May 2023.

How much traffic does US 6 Ml over Frenchman Creek carry?

About 1,900 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is US 6 Ml over Frenchman Creek?

The structure is 191 ft (58.3 m) long with a longest span of 31 ft (9.6 m) and a deck 33 ft wide.

Who owns US 6 Ml over Frenchman Creek?

It is owned by the State Highway Agency.