US Bridges

Patterson Road over Leach Creek

Fair

Mesa County, Colorado · Just E of RD 24 · Structure no. GRJ-F.2-24.01A

Built
1984
41 years old
Condition
Fair
inspected February 2024
Type
Arch - Deck
Steel
Length
24 ft
2 main spans
Daily traffic
17,704
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Patterson Road over Leach Creek is a steel arch - deck carrying Patterson Road over Leach Creek in Mesa County, Colorado. It was built in 1984, so it is 41 years old, younger 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 5 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 17,704 vehicles a day, roughly 7% of them trucks, projected to reach 20,714 by 2042. The structure is 24 ft (7.3 m) long and 145 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPatterson Road
CrossesLeach Creek
LocationJust E of RD 24
RouteCity Street 0
CountyMesa County
StateColorado
Coordinates39.09464, -108.60792
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width145 ft (44.2 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,704 (2022)
Projected traffic20,714 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Patterson Road over Leach Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Patterson Road over Leach 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 February 2024.

How much traffic does Patterson Road over Leach Creek carry?

About 17,704 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Patterson Road over Leach Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 145 ft wide.

Who owns Patterson Road over Leach Creek?

It is owned by the City or Municipal Highway Agency.