US Bridges

County Road 109 over South Rush Creek

Fair

Lincoln County, Colorado · Just North of Road W · Structure no. LIN-32-W.2A

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
523 ft
8 main spans
Daily traffic
131
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 109 over South Rush Creek is a steel stringer/multi-beam or girder carrying County Road 109 over South Rush Creek in Lincoln County, Colorado. It was built in 1988, so it is 37 years old, younger 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 131 vehicles a day, roughly 9% of them trucks, projected to reach 167 by 2040. The structure is 523 ft (159.4 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 109
CrossesSouth Rush Creek
LocationJust North of Road W
RouteCounty Highway 0
Coordinates38.79356, -103.47821
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating54.2 US tons
Inventory rating32.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans8
Design loadHS 20
Structure length523 ft (159.4 m)
Longest span66 ft (20 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2020)
Projected traffic167 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 County Road 109 over South Rush Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 109 over South Rush 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 County Road 109 over South Rush Creek carry?

About 131 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is County Road 109 over South Rush Creek?

The structure is 523 ft (159.4 m) long with a longest span of 66 ft (20 m) and a deck 32 ft wide.

Who owns County Road 109 over South Rush Creek?

It is owned by the County Highway Agency.