US Bridges

E Iliff Avenue over Goldsmith Gulch

Good

Denver County, Colorado · E of Monaco Pkwy · Structure no. D-11-GG-090

Built
1971
54 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
1,550
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Iliff Avenue over Goldsmith Gulch is a concrete culvert carrying E Iliff Avenue over Goldsmith Gulch in Denver County, Colorado. It was built in 1971, so it is 54 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 1,550 vehicles a day, roughly 2% of them trucks, projected to reach 1,720 by 2041. The structure is 31 ft (9.3 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Iliff Avenue
CrossesGoldsmith Gulch
LocationE of Monaco Pkwy
RouteCity Street 0
Coordinates39.67473, -104.91113
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.9 US tons
Inventory rating57.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span15 ft (4.5 m)
Deck width77 ft (23.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2021)
Projected traffic1,720 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 E Iliff Avenue over Goldsmith Gulch built?

It was built in 1971, making it 54 years old in 2025.

What condition is E Iliff Avenue over Goldsmith 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 December 2024.

How much traffic does E Iliff Avenue over Goldsmith Gulch carry?

About 1,550 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is E Iliff Avenue over Goldsmith Gulch?

The structure is 31 ft (9.3 m) long with a longest span of 15 ft (4.5 m) and a deck 77 ft wide.

Who owns E Iliff Avenue over Goldsmith Gulch?

It is owned by the City or Municipal Highway Agency.