US Bridges

Irr# SH 140 Ml over Long Hollow Creek

Fair

La Plata County, Colorado · 3 MI North of New Mexico · Structure no. P-04-E

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
3 main spans
Daily traffic
1,800
2020 count
Owner
State
State Highway Agency

About this bridge

Irr# SH 140 Ml over Long Hollow Creek is a steel stringer/multi-beam or girder carrying Irr# SH 140 Ml over Long Hollow Creek in La Plata County, Colorado. It was built in 1964, so it is 61 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 1,800 vehicles a day, roughly 11% of them trucks, projected to reach 2,214 by 2040. The structure is 95 ft (29.1 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIrr# SH 140 Ml
CrossesLong Hollow Creek
Location3 MI North of New Mexico
RouteState Highway 140A
Coordinates37.05341, -108.18124
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length95 ft (29.1 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic2,214 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Irr# SH 140 Ml over Long Hollow Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Irr# SH 140 Ml over Long Hollow Creek 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 May 2023.

How much traffic does Irr# SH 140 Ml over Long Hollow Creek carry?

About 1,800 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Irr# SH 140 Ml over Long Hollow Creek?

The structure is 95 ft (29.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Irr# SH 140 Ml over Long Hollow Creek?

It is owned by the State Highway Agency.