US Bridges

200th Ave. over N Fk Walnut Creek

FairPosted for load

Jones County, Iowa · 083041204 · Structure no. 000000000206771

Built
1985
40 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

200th Ave. over N Fk Walnut Creek is a concrete continuous slab carrying 200th Ave. over N Fk Walnut Creek in Jones County, Iowa. It was built in 1985, so it is 40 years old, younger 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. Its operating status is: posted for other load-capacity restriction.

It carries about 47 vehicles a day, projected to reach 47 by 2043. The structure is 102 ft (31 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries200th Ave.
CrossesN Fk Walnut Creek
Location083041204
RouteCounty Highway 0
CountyJones County
StateIowa
Coordinates42.006, -91.26832
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31 m)
Longest span39 ft (11.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th Ave. over N Fk Walnut Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is 200th Ave. over N Fk Walnut 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 December 2022.

How much traffic does 200th Ave. over N Fk Walnut Creek carry?

About 47 vehicles per day (2022 count).

How long is 200th Ave. over N Fk Walnut Creek?

The structure is 102 ft (31 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns 200th Ave. over N Fk Walnut Creek?

It is owned by the County Highway Agency.