US Bridges

County Road 598 over Pictou Arroyo

Fair

Huerfano County, Colorado · .5 MI South of SH 69 · Structure no. HU598-S0.4-S69A

Built
1989
36 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
2 main spans
Daily traffic
116
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 598 over Pictou Arroyo is a steel continuous stringer/multi-beam or girder carrying County Road 598 over Pictou Arroyo in Huerfano County, Colorado. It was built in 1989, so it is 36 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 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 116 vehicles a day, roughly 2% of them trucks, projected to reach 136 by 2042. The structure is 112 ft (34 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 598
CrossesPictou Arroyo
Location.5 MI South of SH 69
RouteCounty Highway 0
CountyHuerfano County
StateColorado
Coordinates37.64227, -104.81794
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
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 alignment7: Better than present minimum criteria
Operating rating42 US tons
Inventory rating25.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length112 ft (34 m)
Longest span52 ft (16 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2022)
Projected traffic136 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 598 over Pictou Arroyo built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 598 over Pictou Arroyo 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 January 2025.

How much traffic does County Road 598 over Pictou Arroyo carry?

About 116 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 598 over Pictou Arroyo?

The structure is 112 ft (34 m) long with a longest span of 52 ft (16 m) and a deck 32 ft wide.

Who owns County Road 598 over Pictou Arroyo?

It is owned by the County Highway Agency.