US Bridges

SH 340 Ml over Buffalo Canyon Creek

Good

Mesa County, Colorado · 7.5 MI E of JCT US 6 Frui · Structure no. H-02-BW

Built
1950
75 years old
Condition
Good
inspected December 2024
Type
Arch - Deck
Concrete
Length
27 ft
1 main span
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 340 Ml over Buffalo Canyon Creek is a concrete arch - deck carrying SH 340 Ml over Buffalo Canyon Creek in Mesa County, Colorado. It was built in 1950, so it is 75 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 11,400 by 2040. The structure is 27 ft (8.2 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 340 Ml
CrossesBuffalo Canyon Creek
Location7.5 MI E of JCT US 6 Frui
RouteState Highway 340A
Coordinates39.09003, -108.65463
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic11,400 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 340 Ml over Buffalo Canyon Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is SH 340 Ml over Buffalo Canyon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SH 340 Ml over Buffalo Canyon Creek carry?

About 10,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 340 Ml over Buffalo Canyon Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns SH 340 Ml over Buffalo Canyon Creek?

It is owned by the State Highway Agency.