US Bridges

185 Th/Farm DR over Dd #110

Fair

Greene County, Iowa · 084301703 · Structure no. 000000000162511

Built
1925
100 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

185 Th/Farm DR over Dd #110 is a steel stringer/multi-beam or girder carrying 185 Th/Farm DR over Dd #110 in Greene County, Iowa. It was built in 1925 and reconstructed in 1994, so it is 100 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 30 ft (9.1 m) long and 22 ft wide.

Location

Open in Google Maps
Carries185 Th/Farm DR
CrossesDd #110
Location084301703
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates42.08532, -94.36812
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 185 Th/Farm DR over Dd #110 built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1994.

What condition is 185 Th/Farm DR over Dd #110 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 June 2024.

How much traffic does 185 Th/Farm DR over Dd #110 carry?

About 11 vehicles per day (2022 count).

How long is 185 Th/Farm DR over Dd #110?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns 185 Th/Farm DR over Dd #110?

It is owned by the County Highway Agency.