US Bridges

Decatur Street over Weir Gulch

Fair

Denver County, Colorado · Decatur Btwn BARBERRY/9th · Structure no. D-17-WG-211

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
5,426
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Decatur Street over Weir Gulch is a concrete culvert carrying Decatur Street over Weir Gulch in Denver County, Colorado. It was built in 1981, so it is 44 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 5,426 vehicles a day, roughly 4% of them trucks, projected to reach 6,023 by 2041. The structure is 29 ft (8.7 m) long and 500 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDecatur Street
CrossesWeir Gulch
LocationDecatur Btwn BARBERRY/9th
RouteCity Street 0
Coordinates39.73058, -105.02168
Functional classUrban Collector

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating49.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span14 ft (4.2 m)
Deck width500 ft (152.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,426 (2021)
Projected traffic6,023 by 2041
Trucks4%
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 Decatur Street over Weir Gulch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Decatur Street over Weir Gulch 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 January 2025.

How much traffic does Decatur Street over Weir Gulch carry?

About 5,426 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Decatur Street over Weir Gulch?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.2 m) and a deck 500 ft wide.

Who owns Decatur Street over Weir Gulch?

It is owned by the City or Municipal Highway Agency.