US Bridges

Local RD over Hickory Creek

Fair

Allamakee County, Iowa · 096063504 · Structure no. 000000000061680

Built
1900
125 years old, rebuilt 1963
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Local RD over Hickory Creek is a concrete continuous culvert carrying Local RD over Hickory Creek in Allamakee County, Iowa. It was built in 1900 and reconstructed in 1963, so it is 125 years old, older 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 5 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 49 vehicles a day, projected to reach 49 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLocal RD
CrossesHickory Creek
Location096063504
RouteCounty Highway 0
StateIowa
Coordinates43.08337, -91.51879
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over Hickory Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1963.

What condition is Local RD over Hickory 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 May 2024.

How much traffic does Local RD over Hickory Creek carry?

About 49 vehicles per day (2022 count).

How long is Local RD over Hickory Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Local RD over Hickory Creek?

It is owned by the County Highway Agency.