US Bridges

Holly Road over Dry Creek

Fair

Montrose County, Colorado · 5.1 MI SW of Olathe · Structure no. 085002100.1082A

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

Holly Road over Dry Creek is a steel stringer/multi-beam or girder carrying Holly Road over Dry Creek in Montrose 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 5 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 39 vehicles a day, projected to reach 45 by 2042. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHolly Road
CrossesDry Creek
Location5.1 MI SW of Olathe
RouteCounty Highway 0
Coordinates38.55525, -108.04575
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.2 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic45 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Holly Road over Dry Creek built?

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

What condition is Holly Road over Dry 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 October 2023.

How much traffic does Holly Road over Dry Creek carry?

About 39 vehicles per day (2022 count).

How long is Holly Road over Dry Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.5 m) and a deck 24 ft wide.

Who owns Holly Road over Dry Creek?

It is owned by the County Highway Agency.