US Bridges

Sma 7179;N Bridge over Indian Creek

Fair

Ada County, Idaho · In Kuna · Structure no. 000000000019801

Built
1999
26 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
7,600
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 7179;N Bridge over Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying Sma 7179;N Bridge over Indian Creek in Ada County, Idaho. It was built in 1999, so it is 26 years old, younger 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 7,600 vehicles a day, roughly 9% of them trucks, projected to reach 11,400 by 2042. The structure is 93 ft (28.3 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSma 7179;N Bridge
CrossesIndian Creek
LocationIn Kuna
RouteCounty Highway 7179
StateIdaho
Coordinates43.48933, -116.42083
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span75 ft (22.9 m)
Deck width51 ft (15.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic11,400 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sma 7179;N Bridge over Indian Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Sma 7179;N Bridge 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 November 2023.

How much traffic does Sma 7179;N Bridge over Indian Creek carry?

About 7,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sma 7179;N Bridge over Indian Creek?

The structure is 93 ft (28.3 m) long with a longest span of 75 ft (22.9 m) and a deck 51 ft wide.

Who owns Sma 7179;N Bridge over Indian Creek?

It is owned by the County Highway Agency.