US Bridges

Local RD over Drainage Ditch

Poor

Chickasaw County, Iowa · 095121902 · Structure no. 000000000019670

Built
1954
71 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
2,396
2022 count
Owner
County
County Highway Agency

About this bridge

Local RD over Drainage Ditch is a concrete continuous slab carrying Local RD over Drainage Ditch in Chickasaw County, Iowa. It was built in 1954, so it is 71 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,396 vehicles a day, projected to reach 2,396 by 2043. The structure is 82 ft (25 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal RD
CrossesDrainage Ditch
Location095121902
RouteCounty Highway 0
StateIowa
Coordinates43.03549, -92.31784
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length82 ft (25 m)
Longest span31 ft (9.4 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,396 (2022)
Projected traffic2,396 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over Drainage Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is Local RD over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Local RD over Drainage Ditch carry?

About 2,396 vehicles per day (2022 count).

How long is Local RD over Drainage Ditch?

The structure is 82 ft (25 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns Local RD over Drainage Ditch?

It is owned by the County Highway Agency.