US Bridges

SH 83 Ml over Bayou Creek

Fair

Douglas County, Colorado · 3.0 MI N. JCT SH 86 · Structure no. G-17-BR

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
227 ft
2 main spans
Daily traffic
14,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 83 Ml over Bayou Creek is a prestressed concrete continuous tee beam carrying SH 83 Ml over Bayou Creek in Douglas 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 14,000 vehicles a day, roughly 4% of them trucks, projected to reach 19,460 by 2040. The structure is 227 ft (69.1 m) long and 123 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSH 83 Ml
CrossesBayou Creek
Location3.0 MI N. JCT SH 86
RouteState Highway 83A
Coordinates39.43298, -104.7601
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length227 ft (69.1 m)
Longest span112 ft (34.1 m)
Deck width123 ft (37.6 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2020)
Projected traffic19,460 by 2040
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 83 Ml over Bayou Creek built?

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

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

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

About 14,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 83 Ml over Bayou Creek?

The structure is 227 ft (69.1 m) long with a longest span of 112 ft (34.1 m) and a deck 123 ft wide.

Who owns SH 83 Ml over Bayou Creek?

It is owned by the State Highway Agency.