US Bridges

F36 Putnam RD over Rapid Creek

Good

Johnson County, Iowa · 080050908 · Structure no. 000000000204631

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

F36 Putnam RD over Rapid Creek is a concrete slab carrying F36 Putnam RD over Rapid Creek in Johnson 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 180 vehicles a day, projected to reach 180 by 2044. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesF36 Putnam RD
CrossesRapid Creek
Location080050908
RouteCounty Highway 0
StateIowa
Coordinates41.7483, -91.43389
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic180 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 F36 Putnam RD over Rapid Creek built?

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

What condition is F36 Putnam RD over Rapid 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 July 2024.

How much traffic does F36 Putnam RD over Rapid Creek carry?

About 180 vehicles per day (2022 count).

How long is F36 Putnam RD over Rapid Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns F36 Putnam RD over Rapid Creek?

It is owned by the County Highway Agency.