US Bridges

Ia 25 over Drainage Ditch #117

Good

Greene County, Iowa · 7.5 MI S of U.S. 30 · Structure no. 000000000025731

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
970
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 25 over Drainage Ditch #117 is a concrete continuous culvert carrying Ia 25 over Drainage Ditch #117 in Greene County, Iowa. It was built in 2006, so it is 19 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 970 vehicles a day, roughly 19% of them trucks, projected to reach 970 by 2044. The structure is 38 ft (11.6 m) long and 66 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIa 25
CrossesDrainage Ditch #117
Location7.5 MI S of U.S. 30
RouteState Highway 25
CountyGreene County
StateIowa
Coordinates41.92677, -94.55159
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating77.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width66 ft (20.2 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2022)
Projected traffic970 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 25 over Drainage Ditch #117 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ia 25 over Drainage Ditch #117 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Ia 25 over Drainage Ditch #117 carry?

About 970 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 25 over Drainage Ditch #117?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 66 ft wide.

Who owns Ia 25 over Drainage Ditch #117?

It is owned by the State Highway Agency.