US Bridges

Ia 14 over Drainage Ditch

Fair

Butler County, Iowa · 1.4 Mi. S of S Jct. Ia 3 · Structure no. 000000000016650

Built
1946
79 years old, rebuilt 1984
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
1,160
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 14 over Drainage Ditch is a steel stringer/multi-beam or girder carrying Ia 14 over Drainage Ditch in Butler County, Iowa. It was built in 1946 and reconstructed in 1984, so it is 79 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 1,160 vehicles a day, roughly 12% of them trucks, projected to reach 1,160 by 2044. The structure is 54 ft (16.5 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesIa 14
CrossesDrainage Ditch
Location1.4 Mi. S of S Jct. Ia 3
RouteState Highway 14
CountyButler County
StateIowa
Coordinates42.72462, -92.79035
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,160 (2022)
Projected traffic1,160 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 1946, making it 79 years old in 2025. It was reconstructed in 1984.

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 March 2024.

How much traffic does Ia 14 over Drainage Ditch carry?

About 1,160 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 14 over Drainage Ditch?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns Ia 14 over Drainage Ditch?

It is owned by the State Highway Agency.