US Bridges

SH 348 Ml over Dry Creek

Fair

Montrose County, Colorado · 2 MI W of Olathe · Structure no. J-04-BA

Built
1982
43 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
940
2020 count
Owner
State
State Highway Agency

About this bridge

SH 348 Ml over Dry Creek is a concrete culvert carrying SH 348 Ml over Dry Creek in Montrose County, Colorado. It was built in 1982, so it is 43 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 940 vehicles a day, roughly 5% of them trucks, projected to reach 1,109 by 2040. The structure is 32 ft (9.8 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 348 Ml
CrossesDry Creek
Location2 MI W of Olathe
RouteState Highway 348A
Coordinates38.6062, -108.03121
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95 US tons
Inventory rating51.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span12 ft (3.7 m)
Deck width55 ft (16.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2020)
Projected traffic1,109 by 2040
Trucks5%
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 Dry Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is SH 348 Ml over Dry 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 March 2024.

How much traffic does SH 348 Ml over Dry Creek carry?

About 940 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 348 Ml over Dry Creek?

The structure is 32 ft (9.8 m) long with a longest span of 12 ft (3.7 m) and a deck 55 ft wide.

Who owns SH 348 Ml over Dry Creek?

It is owned by the State Highway Agency.