US Bridges

SH 109 Ml over Draw

Fair

Las Animas County, Colorado · 9.5 MI N. of Kim · Structure no. O-23-A

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
330
2020 count
Owner
State
State Highway Agency

About this bridge

SH 109 Ml over Draw is a wood or timber stringer/multi-beam or girder carrying SH 109 Ml over Draw in Las Animas 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 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 330 vehicles a day, roughly 29% of them trucks, projected to reach 439 by 2040. The structure is 25 ft (7.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 109 Ml
CrossesDraw
Location9.5 MI N. of Kim
RouteState Highway 109A
Coordinates37.37724, -103.35488
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating32.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 10
Structure length25 ft (7.5 m)
Longest span23 ft (6.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic439 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 109 Ml over Draw built?

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

What condition is SH 109 Ml over Draw 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 June 2024.

How much traffic does SH 109 Ml over Draw carry?

About 330 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is SH 109 Ml over Draw?

The structure is 25 ft (7.5 m) long with a longest span of 23 ft (6.9 m) and a deck 32 ft wide.

Who owns SH 109 Ml over Draw?

It is owned by the State Highway Agency.