US Bridges

Nettle Ave over Maynes CR

FairPosted for load

Franklin County, Iowa · 091203010 · Structure no. 000000000157041

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Nettle Ave over Maynes CR is a concrete continuous slab carrying Nettle Ave over Maynes CR in Franklin County, Iowa. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNettle Ave
CrossesMaynes CR
Location091203010
RouteCounty Highway 0
CountyFranklin County
StateIowa
Coordinates42.66348, -93.24708
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 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 traffic26 (2022)
Projected traffic26 by 2044
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nettle Ave over Maynes CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is Nettle Ave over Maynes 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 June 2024.

How much traffic does Nettle Ave over Maynes CR carry?

About 26 vehicles per day (2022 count).

How long is Nettle Ave over Maynes CR?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns Nettle Ave over Maynes CR?

It is owned by the County Highway Agency.