US Bridges

S Old Wadsworth Bl over Southwesterly Gulches

Fair

Denver County, Colorado · Btwn Wdswrth-Marston · Structure no. D-26-SWG-010

Built
1968
57 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,450
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Old Wadsworth Bl over Southwesterly Gulches is a concrete culvert carrying S Old Wadsworth Bl over Southwesterly Gulches in Denver County, Colorado. It was built in 1968 and reconstructed in 1986, so it is 57 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 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 2,450 vehicles a day, roughly 2% of them trucks, projected to reach 2,720 by 2041. The structure is 24 ft (7.3 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Old Wadsworth Bl
CrossesSouthwesterly Gulches
LocationBtwn Wdswrth-Marston
RouteCity Street 0
Coordinates39.63408, -105.08167
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width83 ft (25.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2021)
Projected traffic2,720 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 S Old Wadsworth Bl over Southwesterly Gulches built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1986.

What condition is S Old Wadsworth Bl over Southwesterly Gulches 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 December 2024.

How much traffic does S Old Wadsworth Bl over Southwesterly Gulches carry?

About 2,450 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is S Old Wadsworth Bl over Southwesterly Gulches?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 83 ft wide.

Who owns S Old Wadsworth Bl over Southwesterly Gulches?

It is owned by the City or Municipal Highway Agency.