US Bridges

County Rd. 27th LN over St.Charles River

Fair

Pueblo County, Colorado · 5.8 MI SE of Pueblo · Structure no. PUCO 1.17-407A

Built
1923
102 years old
Condition
Fair
inspected November 2024
Type
Arch - Deck
Concrete
Length
255 ft
3 main spans
Daily traffic
1,251
2022 count
Owner
County
County Highway Agency

About this bridge

County Rd. 27th LN over St.Charles River is a concrete arch - deck carrying County Rd. 27th LN over St.Charles River in Pueblo County, Colorado. It was built in 1923, so it is 102 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 1,251 vehicles a day, roughly 2% of them trucks, projected to reach 1,476 by 2042. The structure is 255 ft (77.7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Rd. 27th LN
CrossesSt.Charles River
Location5.8 MI SE of Pueblo
RouteCounty Highway 0
CountyPueblo County
StateColorado
Coordinates38.21088, -104.53312
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
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 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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length255 ft (77.7 m)
Longest span84 ft (25.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,251 (2022)
Projected traffic1,476 by 2042
Trucks2%
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Rd. 27th LN over St.Charles River built?

It was built in 1923, making it 102 years old in 2025.

What condition is County Rd. 27th LN over St.Charles River 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 County Rd. 27th LN over St.Charles River carry?

About 1,251 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Rd. 27th LN over St.Charles River?

The structure is 255 ft (77.7 m) long with a longest span of 84 ft (25.5 m) and a deck 22 ft wide.

Who owns County Rd. 27th LN over St.Charles River?

It is owned by the County Highway Agency.