US Bridges

Rio Grand ST over Slaughterhouse Gulch

Good

Arapahoe County, Colorado · .2 MI N of Littleton Blvd · Structure no. LTNB.375-03.179

Built
2022
3 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
2,289
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rio Grand ST over Slaughterhouse Gulch is a concrete culvert carrying Rio Grand ST over Slaughterhouse Gulch in Arapahoe County, Colorado. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,289 vehicles a day, roughly 2% of them trucks, projected to reach 2,793 by 2041. The structure is 30 ft (9.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRio Grand ST
CrossesSlaughterhouse Gulch
Location.2 MI N of Littleton Blvd
RouteCity Street 0
Coordinates39.61813, -105.01253
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating71.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,289 (2021)
Projected traffic2,793 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 Rio Grand ST over Slaughterhouse Gulch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Rio Grand ST over Slaughterhouse Gulch 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 September 2023.

How much traffic does Rio Grand ST over Slaughterhouse Gulch carry?

About 2,289 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Rio Grand ST over Slaughterhouse Gulch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m) and a deck 50 ft wide.

Who owns Rio Grand ST over Slaughterhouse Gulch?

It is owned by the City or Municipal Highway Agency.