US Bridges

Old San Isabel RD over Little Saint Charles Ck

Fair

Pueblo County, Colorado · 0.2 MI W Robb RD · Structure no. PUCO 8.70-212F

Built
2009
16 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

Old San Isabel RD over Little Saint Charles Ck is a prestressed concrete slab carrying Old San Isabel RD over Little Saint Charles Ck in Pueblo County, Colorado. It was built in 2009, so it is 16 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 100 vehicles a day, projected to reach 121 by 2038. The structure is 32 ft (9.8 m) long and 25 ft wide.

CarriesOld San Isabel RD
CrossesLittle Saint Charles Ck
Location0.2 MI W Robb RD
RouteCounty Highway 0
Coordinates37.96769, -105.01819
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic121 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old San Isabel RD over Little Saint Charles Ck built?

It was built in 2009, making it 16 years old in 2025.

What condition is Old San Isabel RD over Little Saint Charles Ck 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 December 2024.

How much traffic does Old San Isabel RD over Little Saint Charles Ck carry?

About 100 vehicles per day (2018 count).

How long is Old San Isabel RD over Little Saint Charles Ck?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Old San Isabel RD over Little Saint Charles Ck?

It is owned by the County Highway Agency.