US Bridges

Local over Jack Creek-Dd JT.#17

Fair

Palo Alto County, Iowa · 097320602 · Structure no. 000000000270221

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Jack Creek-Dd JT.#17 is a concrete continuous slab carrying Local over Jack Creek-Dd JT.#17 in Palo Alto County, Iowa. It was built in 1985, so it is 40 years old, younger than the Iowa average of 45.5 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 21 vehicles a day, projected to reach 21 by 2044. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal
CrossesJack Creek-Dd JT.#17
Location097320602
RouteCounty Highway 0
CountyPalo Alto County
StateIowa
Coordinates43.24231, -94.67874
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating83.7 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic21 by 2044
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Jack Creek-Dd JT.#17 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Local over Jack Creek-Dd JT.#17 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 May 2024.

How much traffic does Local over Jack Creek-Dd JT.#17 carry?

About 21 vehicles per day (2022 count).

How long is Local over Jack Creek-Dd JT.#17?

The structure is 92 ft (28 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns Local over Jack Creek-Dd JT.#17?

It is owned by the County Highway Agency.