US Bridges

County Home Rd. over Mineral Creek

Fair

Jones County, Iowa · 085023501 · Structure no. 000000000208180

Built
1945
80 years old, rebuilt 2017
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

County Home Rd. over Mineral Creek is a wood or timber stringer/multi-beam or girder carrying County Home Rd. over Mineral Creek in Jones County, Iowa. It was built in 1945 and reconstructed in 2017, so it is 80 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Home Rd.
CrossesMineral Creek
Location085023501
RouteCounty Highway 0
CountyJones County
StateIowa
Coordinates42.13605, -91.05052
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 rating44.2 US tons
Inventory rating32.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$370,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Home Rd. over Mineral Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2017.

What condition is County Home Rd. over Mineral Creek 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 November 2023.

How much traffic does County Home Rd. over Mineral Creek carry?

About 26 vehicles per day (2022 count).

How long is County Home Rd. over Mineral Creek?

The structure is 56 ft (17.1 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns County Home Rd. over Mineral Creek?

It is owned by the County Highway Agency.