US Bridges

County Road 3300 over Leroux Creek

Fair

Delta County, Colorado · .8 MI N of SH 92 · Structure no. DEL3300-10.8-63

Built
1984
41 years old, rebuilt 2005
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 3300 over Leroux Creek is a steel stringer/multi-beam or girder carrying County Road 3300 over Leroux Creek in Delta County, Colorado. It was built in 1984 and reconstructed in 2005, so it is 41 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 79 vehicles a day, roughly 2% of them trucks, projected to reach 89 by 2042. The structure is 33 ft (10 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road 3300
CrossesLeroux Creek
Location.8 MI N of SH 92
RouteCounty Highway 0
CountyDelta County
StateColorado
Coordinates38.81189, -107.74483
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.1 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10 m)
Longest span30 ft (9.2 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic89 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3300 over Leroux Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2005.

What condition is County Road 3300 over Leroux 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 September 2023.

How much traffic does County Road 3300 over Leroux Creek carry?

About 79 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 3300 over Leroux Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.2 m) and a deck 31 ft wide.

Who owns County Road 3300 over Leroux Creek?

It is owned by the County Highway Agency.