US Bridges

SH 59 Ml over Frenchman Creek

Fair

Phillips County, Colorado · 0.8 MI S of Haxtun · Structure no. B-26-D

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
247 ft
8 main spans
Daily traffic
450
2020 count
Owner
State
State Highway Agency

About this bridge

SH 59 Ml over Frenchman Creek is a concrete tee beam carrying SH 59 Ml over Frenchman Creek in Phillips County, Colorado. It was built in 1959, so it is 66 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 450 vehicles a day, roughly 21% of them trucks, projected to reach 545 by 2040. The structure is 247 ft (75.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 59 Ml
CrossesFrenchman Creek
Location0.8 MI S of Haxtun
RouteState Highway 59B
Coordinates40.62113, -102.62724
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length247 ft (75.2 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 traffic450 (2020)
Projected traffic545 by 2040
Trucks21%
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 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 59 Ml over Frenchman Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is SH 59 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 SH 59 Ml over Frenchman Creek carry?

About 450 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SH 59 Ml over Frenchman Creek?

The structure is 247 ft (75.2 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns SH 59 Ml over Frenchman Creek?

It is owned by the State Highway Agency.