US Bridges

SH 83 Ml over Cherry Creek

Good

Douglas County, Colorado · 4.5 MI S of Franktwn SH86 · Structure no. G-18-BL

Built
1948
77 years old, rebuilt 2003
Condition
Good
inspected May 2023
Type
Arch - Deck
Concrete
Length
405 ft
1 main span
Daily traffic
7,900
2020 count
Owner
State
State Highway Agency

About this bridge

SH 83 Ml over Cherry Creek is a concrete arch - deck carrying SH 83 Ml over Cherry Creek in Douglas County, Colorado. It was built in 1948 and reconstructed in 2003, so it is 77 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 7,900 vehicles a day, roughly 6% of them trucks, projected to reach 12,324 by 2040. The structure is 405 ft (123.3 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 83 Ml
CrossesCherry Creek
Location4.5 MI S of Franktwn SH86
RouteState Highway 83A
Coordinates39.3277, -104.73435
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadH 20
Structure length405 ft (123.3 m)
Longest span232 ft (70.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2020)
Projected traffic12,324 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 83 Ml over Cherry Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2003.

What condition is SH 83 Ml over Cherry Creek 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 May 2023.

How much traffic does SH 83 Ml over Cherry Creek carry?

About 7,900 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 83 Ml over Cherry Creek?

The structure is 405 ft (123.3 m) long with a longest span of 232 ft (70.7 m) and a deck 43 ft wide.

Who owns SH 83 Ml over Cherry Creek?

It is owned by the State Highway Agency.