US Bridges

Irr# CO RD 988 over Sambrito Creek

Fair

Archuleta County, Colorado · 3.3 MI W of Arboles · Structure no. AR988-0.4-151A

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

Irr# CO RD 988 over Sambrito Creek is a steel stringer/multi-beam or girder carrying Irr# CO RD 988 over Sambrito Creek in Archuleta County, Colorado. It was built in 1992, so it is 33 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 72 vehicles a day, roughly 2% of them trucks, projected to reach 85 by 2042. The structure is 57 ft (17.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIrr# CO RD 988
CrossesSambrito Creek
Location3.3 MI W of Arboles
RouteCounty Highway 0
Coordinates37.0303, -107.47877
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.3 m)
Longest span52 ft (15.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic85 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Irr# CO RD 988 over Sambrito Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Irr# CO RD 988 over Sambrito 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 October 2024.

How much traffic does Irr# CO RD 988 over Sambrito Creek carry?

About 72 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Irr# CO RD 988 over Sambrito Creek?

The structure is 57 ft (17.3 m) long with a longest span of 52 ft (15.9 m) and a deck 31 ft wide.

Who owns Irr# CO RD 988 over Sambrito Creek?

It is owned by the County Highway Agency.