US Bridges

17-C071 over Duck Creek

Fair

Grant County, New Mexico · 0.35 MI E US-180 @ MP79.0 · Structure no. 000000000008501

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
191
2023 count
Owner
County
County Highway Agency

About this bridge

17-C071 over Duck Creek is a concrete continuous slab carrying 17-C071 over Duck Creek in Grant County, New Mexico. It was built in 1983, so it is 42 years old, younger than the New Mexico average of 51.5 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 191 vehicles a day, projected to reach 259 by 2043. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
Carries17-C071
CrossesDuck Creek
Location0.35 MI E US-180 @ MP79.0
RouteCounty Highway 17071
CountyGrant County
StateNew Mexico
Coordinates33.00895, -108.6723
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span36 ft (11.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2023)
Projected traffic259 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 17-C071 over Duck Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is 17-C071 over Duck 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 March 2024.

How much traffic does 17-C071 over Duck Creek carry?

About 191 vehicles per day (2023 count).

How long is 17-C071 over Duck Creek?

The structure is 100 ft (30.5 m) long with a longest span of 36 ft (11.1 m) and a deck 31 ft wide.

Who owns 17-C071 over Duck Creek?

It is owned by the County Highway Agency.