US Bridges

CR 230/BURNT Mill over St. Charles Flood Ditch

Fair

Pueblo County, Colorado · 3.0 MI N of Water Barre · Structure no. PUCO11.85-211GR

Built
1990
35 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
208
2021 count
Owner
County
County Highway Agency

About this bridge

CR 230/BURNT Mill over St. Charles Flood Ditch is a prestressed concrete stringer/multi-beam or girder carrying CR 230/BURNT Mill over St. Charles Flood Ditch in Pueblo County, Colorado. It was built in 1990, so it is 35 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 208 vehicles a day, roughly 2% of them trucks, projected to reach 245 by 2041. The structure is 93 ft (28.3 m) long and 32 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesCR 230/BURNT Mill
CrossesSt. Charles Flood Ditch
Location3.0 MI N of Water Barre
RouteCounty Highway 0
Coordinates38.08356, -104.75404
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 rating92.8 US tons
Inventory rating47.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span86 ft (26.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2021)
Projected traffic245 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 CR 230/BURNT Mill over St. Charles Flood Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 230/BURNT Mill over St. Charles Flood Ditch 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 November 2024.

How much traffic does CR 230/BURNT Mill over St. Charles Flood Ditch carry?

About 208 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is CR 230/BURNT Mill over St. Charles Flood Ditch?

The structure is 93 ft (28.3 m) long with a longest span of 86 ft (26.3 m) and a deck 32 ft wide.

Who owns CR 230/BURNT Mill over St. Charles Flood Ditch?

It is owned by the County Highway Agency.