US Bridges

SH 113 Ml over Canal

Fair

Logan County, Colorado · 1.3 MI N. of JCT US 138 · Structure no. A-24-A

Built
1937
88 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
1,200
2020 count
Owner
State
State Highway Agency

About this bridge

SH 113 Ml over Canal is a wood or timber stringer/multi-beam or girder carrying SH 113 Ml over Canal in Logan County, Colorado. It was built in 1937, so it is 88 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 1,200 vehicles a day, roughly 18% of them trucks, projected to reach 1,524 by 2040. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 113 Ml
CrossesCanal
Location1.3 MI N. of JCT US 138
RouteState Highway 113A
Coordinates40.75214, -103.1133
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating42.5 US tons
Inventory rating30.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic1,524 by 2040
Trucks18%
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 113 Ml over Canal built?

It was built in 1937, making it 88 years old in 2025.

What condition is SH 113 Ml over 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 February 2025.

How much traffic does SH 113 Ml over Canal carry?

About 1,200 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is SH 113 Ml over Canal?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.

Who owns SH 113 Ml over Canal?

It is owned by the State Highway Agency.