US Bridges

Ia 14 over Drainage Ditch

Fair

Jasper County, Iowa · 0.5 MI N of N JCT SR F62 · Structure no. 000000000030570

Built
1971
54 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
3,730
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 14 over Drainage Ditch is a concrete culvert carrying Ia 14 over Drainage Ditch in Jasper County, Iowa. It was built in 1971, so it is 54 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 3,730 vehicles a day, roughly 13% of them trucks, projected to reach 3,730 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesIa 14
CrossesDrainage Ditch
Location0.5 MI N of N JCT SR F62
RouteState Highway 14
CountyJasper County
StateIowa
Coordinates41.58732, -93.09701
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,730 (2022)
Projected traffic3,730 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 1971, making it 54 years old in 2025.

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 February 2023.

How much traffic does Ia 14 over Drainage Ditch carry?

About 3,730 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 14 over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Ia 14 over Drainage Ditch?

It is owned by the State Highway Agency.