US Bridges

SH 39 Ml over Bijou Canal

Fair

Morgan County, Colorado · 4.9 MI No of JCT US 34 · Structure no. C-20-AM

Built
1948
77 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
640
2020 count
Owner
State
State Highway Agency

About this bridge

SH 39 Ml over Bijou Canal is a steel stringer/multi-beam or girder carrying SH 39 Ml over Bijou Canal in Morgan County, Colorado. It was built in 1948, so it is 77 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 6 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 640 vehicles a day, roughly 16% of them trucks, projected to reach 826 by 2040. The structure is 36 ft (11 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 39 Ml
CrossesBijou Canal
Location4.9 MI No of JCT US 34
RouteState Highway 39A
Coordinates40.31923, -104.05518
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating65.6 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length36 ft (11 m)
Longest span33 ft (10.2 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2020)
Projected traffic826 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 39 Ml over Bijou Canal built?

It was built in 1948, making it 77 years old in 2025.

What condition is SH 39 Ml over Bijou Canal 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 January 2024.

How much traffic does SH 39 Ml over Bijou Canal carry?

About 640 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 39 Ml over Bijou Canal?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10.2 m) and a deck 27 ft wide.

Who owns SH 39 Ml over Bijou Canal?

It is owned by the State Highway Agency.