US Bridges

SH 348 Ml over Montrose & Delta Can

Fair

Montrose County, Colorado · 2.1 MI SE of Pea Green CO · Structure no. J-04-A

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
270
2020 count
Owner
State
State Highway Agency

About this bridge

SH 348 Ml over Montrose & Delta Can is a steel culvert carrying SH 348 Ml over Montrose & Delta Can in Montrose County, Colorado. It was built in 1963, so it is 62 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 270 vehicles a day, roughly 3% of them trucks, projected to reach 354 by 2040. The structure is 22 ft (6.6 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 348 Ml
CrossesMontrose & Delta Can
Location2.1 MI SE of Pea Green CO
RouteState Highway 348A
Coordinates38.62126, -108.09404
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating67.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width57 ft (17.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic354 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 348 Ml over Montrose & Delta Can built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 348 Ml over Montrose & Delta Can 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 March 2024.

How much traffic does SH 348 Ml over Montrose & Delta Can carry?

About 270 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 348 Ml over Montrose & Delta Can?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 57 ft wide.

Who owns SH 348 Ml over Montrose & Delta Can?

It is owned by the State Highway Agency.