US Bridges

SH 109 Ml over Rdwy RR Arkansas Rvr

Fair

Otero County, Colorado · LA Junta · Structure no. M-22-AY

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,448 ft
16 main spans
Daily traffic
3,800
2020 count
Owner
State
State Highway Agency

About this bridge

SH 109 Ml over Rdwy RR Arkansas Rvr is a prestressed concrete stringer/multi-beam or girder carrying SH 109 Ml over Rdwy RR Arkansas Rvr in Otero County, Colorado. It was built in 1967, so it is 58 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 3,800 vehicles a day, roughly 2% of them trucks, projected to reach 3,990 by 2040. The structure is 1,448 ft (441.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 109 Ml
CrossesRdwy RR Arkansas Rvr
LocationLA Junta
RouteState Highway 109A
Coordinates37.98786, -103.53182
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans16 (+3 approach)
Design loadHS 20
Structure length1,448 ft (441.4 m)
Longest span88 ft (26.8 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2020)
Projected traffic3,990 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway, waterway and railroad
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 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 Rdwy RR Arkansas Rvr built?

It was built in 1967, making it 58 years old in 2025.

What condition is SH 109 Ml over Rdwy RR Arkansas Rvr 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 April 2024.

How much traffic does SH 109 Ml over Rdwy RR Arkansas Rvr carry?

About 3,800 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SH 109 Ml over Rdwy RR Arkansas Rvr?

The structure is 1,448 ft (441.4 m) long with a longest span of 88 ft (26.8 m) and a deck 36 ft wide.

Who owns SH 109 Ml over Rdwy RR Arkansas Rvr?

It is owned by the State Highway Agency.