US Bridges

Loc 100th Ave over D.D.#69

Good

Kossuth County, Iowa · 097290302 · Structure no. 000000000215921

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

Loc 100th Ave over D.D.#69 is a concrete continuous slab carrying Loc 100th Ave over D.D.#69 in Kossuth County, Iowa. It was built in 1993, so it is 32 years old, younger than the Iowa average of 45.5 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 21 vehicles a day, projected to reach 21 by 2042. The structure is 79 ft (24.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLoc 100th Ave
CrossesD.D.#69
Location097290302
RouteCounty Highway 0
StateIowa
Coordinates43.2484, -94.26615
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.4 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length79 ft (24.2 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic21 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Loc 100th Ave over D.D.#69 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Loc 100th Ave over D.D.#69 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 May 2023.

How much traffic does Loc 100th Ave over D.D.#69 carry?

About 21 vehicles per day (2022 count).

How long is Loc 100th Ave over D.D.#69?

The structure is 79 ft (24.2 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Loc 100th Ave over D.D.#69?

It is owned by the County Highway Agency.