US Bridges

SMA8353;16th Ave N over Indian Creek

Fair

Canyon County, Idaho · In NAMPA;16th Ave.N. · Structure no. 000000000021850

Built
1969
56 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
26 ft
1 main span
Daily traffic
20,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

SMA8353;16th Ave N over Indian Creek is a concrete stringer/multi-beam or girder carrying SMA8353;16th Ave N over Indian Creek in Canyon County, Idaho. It was built in 1969, so it is 56 years old, older than the Idaho average of 45.3 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 20,000 vehicles a day, roughly 2% of them trucks, projected to reach 30,000 by 2042. The structure is 26 ft (7.9 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSMA8353;16th Ave N
CrossesIndian Creek
LocationIn NAMPA;16th Ave.N.
RouteCity Street 8353
StateIdaho
Coordinates43.57906, -116.55164
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width78 ft (23.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2023)
Projected traffic30,000 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SMA8353;16th Ave N over Indian Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is SMA8353;16th Ave N over Indian 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 February 2023.

How much traffic does SMA8353;16th Ave N over Indian Creek carry?

About 20,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SMA8353;16th Ave N over Indian Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 78 ft wide.

Who owns SMA8353;16th Ave N over Indian Creek?

It is owned by the City or Municipal Highway Agency.