US Bridges

Washington Street over SH 58 Ml

Good

Jefferson County, Colorado · In Golden · Structure no. E-16-XR

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
141 ft
2 main spans
Daily traffic
11,415
2024 count
Owner
State
State Highway Agency

About this bridge

Washington Street over SH 58 Ml is a prestressed concrete continuous box beam or girders - multiple carrying Washington Street over SH 58 Ml in Jefferson County, Colorado. It was built in 2010, so it is 15 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 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 11,415 vehicles a day, roughly 8% of them trucks, projected to reach 13,127 by 2044. The structure is 141 ft (43 m) long and 76 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWashington Street
CrossesSH 58 Ml
LocationIn Golden
RouteCity Street 0
Coordinates39.7601, -105.22558
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.3 US tons
Inventory rating42.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length141 ft (43 m)
Longest span69 ft (20.9 m)
Deck width76 ft (23.2 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,415 (2024)
Projected traffic13,127 by 2044
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Street over SH 58 Ml built?

It was built in 2010, making it 15 years old in 2025.

What condition is Washington Street over SH 58 Ml 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 June 2023.

How much traffic does Washington Street over SH 58 Ml carry?

About 11,415 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Washington Street over SH 58 Ml?

The structure is 141 ft (43 m) long with a longest span of 69 ft (20.9 m) and a deck 76 ft wide.

Who owns Washington Street over SH 58 Ml?

It is owned by the State Highway Agency.