US Bridges

SH 109 Ml over Draw

Poor

Otero County, Colorado · 2.7 MI North of LA Junta · Structure no. L-22-V

Built
1943
82 years old
Condition
Poor
inspected June 2024
Type
Slab
Concrete
Length
24 ft
2 main spans
Daily traffic
2,300
2020 count
Owner
State
State Highway Agency

About this bridge

SH 109 Ml over Draw is a concrete slab carrying SH 109 Ml over Draw in Otero County, Colorado. It was built in 1943, so it is 82 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,300 vehicles a day, roughly 6% of them trucks, projected to reach 2,599 by 2040. The structure is 24 ft (7.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 109 Ml
CrossesDraw
Location2.7 MI North of LA Junta
RouteState Highway 109A
Coordinates38.02454, -103.52808
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width42 ft (12.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic2,599 by 2040
Trucks6%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 109 Ml over Draw built?

It was built in 1943, making it 82 years old in 2025.

What condition is SH 109 Ml over Draw in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does SH 109 Ml over Draw carry?

About 2,300 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 109 Ml over Draw?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m) and a deck 42 ft wide.

Who owns SH 109 Ml over Draw?

It is owned by the State Highway Agency.