US Bridges

J40 Manti Road over Fisher Creek

Good

Fremont County, Iowa · 069403503 · Structure no. 000000000159991

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
142
2021 count
Owner
County
County Highway Agency

About this bridge

J40 Manti Road over Fisher Creek is a prestressed concrete stringer/multi-beam or girder carrying J40 Manti Road over Fisher Creek in Fremont County, Iowa. It was built in 2021, so it is 4 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 142 vehicles a day, roughly 11% of them trucks, projected to reach 142 by 2043. The structure is 71 ft (21.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJ40 Manti Road
CrossesFisher Creek
Location069403503
RouteCounty Highway 0
StateIowa
Coordinates40.72971, -95.40447
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2021)
Projected traffic142 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 J40 Manti Road over Fisher Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is J40 Manti Road over Fisher Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does J40 Manti Road over Fisher Creek carry?

About 142 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is J40 Manti Road over Fisher Creek?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 33 ft wide.

Who owns J40 Manti Road over Fisher Creek?

It is owned by the County Highway Agency.