US Bridges

SH 7 Ml over Big Dry Creek

Good

Adams County, Colorado · 2.3 MI E of JCT I25 · Structure no. E-17-UZ

Built
2002
23 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
202 ft
2 main spans
Daily traffic
16,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 7 Ml over Big Dry Creek is a prestressed concrete continuous box beam or girders - multiple carrying SH 7 Ml over Big Dry Creek in Adams County, Colorado. It was built in 2002, so it is 23 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 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 22,560 by 2040. The structure is 202 ft (61.7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 7 Ml
CrossesBig Dry Creek
Location2.3 MI E of JCT I25
RouteState Highway 7D
Coordinates39.98636, -104.94629
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length202 ft (61.7 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2020)
Projected traffic22,560 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 7 Ml over Big Dry Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is SH 7 Ml over Big Dry 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 February 2024.

How much traffic does SH 7 Ml over Big Dry Creek carry?

About 16,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 7 Ml over Big Dry Creek?

The structure is 202 ft (61.7 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns SH 7 Ml over Big Dry Creek?

It is owned by the State Highway Agency.