US Bridges

Stc 3856; Franklin over Five Mile Creek

Good

Ada County, Idaho · In Meridian · Structure no. 000000000025998

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
25,000
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3856; Franklin over Five Mile Creek is a concrete frame carrying Stc 3856; Franklin over Five Mile Creek in Ada County, Idaho. It was built in 2004, so it is 21 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,000 vehicles a day, roughly 5% of them trucks, projected to reach 37,500 by 2042. The structure is 22 ft (6.7 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStc 3856; Franklin
CrossesFive Mile Creek
LocationIn Meridian
RouteCity Street 3856
StateIdaho
Coordinates43.60486, -116.37567
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating74 US tons
Inventory rating44 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width102 ft (31.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2023)
Projected traffic37,500 by 2042
Trucks5%
Lanes on structure6
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

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 Stc 3856; Franklin over Five Mile Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Stc 3856; Franklin over Five Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Stc 3856; Franklin over Five Mile Creek carry?

About 25,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Stc 3856; Franklin over Five Mile Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 102 ft wide.

Who owns Stc 3856; Franklin over Five Mile Creek?

It is owned by the County Highway Agency.