US Bridges

SH 72 Ml over Farmers Highline Canal

Fair

Jefferson County, Colorado · Indiana ST About 7800 N · Structure no. E-16-BE

Built
1954
71 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
16,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 72 Ml over Farmers Highline Canal is a concrete slab carrying SH 72 Ml over Farmers Highline Canal in Jefferson County, Colorado. It was built in 1954, so it is 71 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 16,000 vehicles a day, roughly 3% of them trucks, projected to reach 20,000 by 2040. The structure is 33 ft (10.1 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 72 Ml
CrossesFarmers Highline Canal
LocationIndiana ST About 7800 N
RouteState Highway 72A
Coordinates39.83753, -105.16525
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span30 ft (9.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2020)
Projected traffic20,000 by 2040
Trucks3%
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$266,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 72 Ml over Farmers Highline Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is SH 72 Ml over Farmers Highline 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 2025.

How much traffic does SH 72 Ml over Farmers Highline Canal carry?

About 16,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 72 Ml over Farmers Highline Canal?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.2 m) and a deck 34 ft wide.

Who owns SH 72 Ml over Farmers Highline Canal?

It is owned by the State Highway Agency.