US Bridges

Ia 14 over Drainage Ditch

Fair

Marshall County, Iowa · 0.2 Miles South of SR E27 · Structure no. 000000000035440

Built
1952
73 years old, rebuilt 1968
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 14 over Drainage Ditch is a concrete continuous culvert carrying Ia 14 over Drainage Ditch in Marshall County, Iowa. It was built in 1952 and reconstructed in 1968, so it is 73 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 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 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 5,900 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 14
CrossesDrainage Ditch
Location0.2 Miles South of SR E27
RouteState Highway 14
CountyMarshall County
StateIowa
Coordinates42.07584, -92.90807
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2022)
Projected traffic5,900 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 14 over Drainage Ditch built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1968.

What condition is Ia 14 over Drainage Ditch 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 2023.

How much traffic does Ia 14 over Drainage Ditch carry?

About 5,900 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 14 over Drainage Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 14 over Drainage Ditch?

It is owned by the State Highway Agency.