US Bridges

Local over Nine Mile CR

Fair

Wayne County, Iowa · 070232503 · Structure no. 000000000341311

Built
1977
48 years old
Condition
Fair
inspected October 2022
Type
Tee Beam
Prestressed Concrete
Length
60 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Nine Mile CR is a prestressed concrete tee beam carrying Local over Nine Mile CR in Wayne County, Iowa. It was built in 1977, so it is 48 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesNine Mile CR
Location070232503
RouteCounty Highway 0
StateIowa
Coordinates40.82704, -93.4485
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length60 ft (18.3 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Nine Mile CR built?

It was built in 1977, making it 48 years old in 2025.

What condition is Local over Nine Mile CR 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 October 2022.

How much traffic does Local over Nine Mile CR carry?

About 20 vehicles per day (2022 count).

How long is Local over Nine Mile CR?

The structure is 60 ft (18.3 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Local over Nine Mile CR?

It is owned by the County Highway Agency.