US Bridges

FM F-62 over US 218

Good

Johnson County, Iowa · 0.5 Mi. N of Jct. SR F62 · Structure no. 000000000604980

Built
1980
45 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
4 main spans
Daily traffic
510
2022 count
Owner
State
State Highway Agency

About this bridge

FM F-62 over US 218 is a prestressed concrete stringer/multi-beam or girder carrying FM F-62 over US 218 in Johnson County, Iowa. It was built in 1980, so it is 45 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 510 vehicles a day, projected to reach 510 by 2044. The structure is 258 ft (78.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM F-62
CrossesUS 218
Location0.5 Mi. N of Jct. SR F62
RouteCounty Highway 0
StateIowa
Coordinates41.56178, -91.54532
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating99.8 US tons
Inventory rating44.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length258 ft (78.6 m)
Longest span92 ft (28 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic510 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM F-62 over US 218 built?

It was built in 1980, making it 45 years old in 2025.

What condition is FM F-62 over US 218 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 April 2024.

How much traffic does FM F-62 over US 218 carry?

About 510 vehicles per day (2022 count).

How long is FM F-62 over US 218?

The structure is 258 ft (78.6 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns FM F-62 over US 218?

It is owned by the State Highway Agency.