US Bridges

FM Johns-Iowa R over Stream

FairPosted for load

Johnson County, Iowa · 081080602 · Structure no. 000000000205750

Built
1966
59 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
730
2021 count
Owner
County
County Highway Agency

About this bridge

FM Johns-Iowa R over Stream is a concrete slab carrying FM Johns-Iowa R over Stream in Johnson County, Iowa. It was built in 1966, so it is 59 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 730 vehicles a day, roughly 14% of them trucks, projected to reach 730 by 2043. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM Johns-Iowa R
CrossesStream
Location081080602
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.85834, -91.83133
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2021)
Projected traffic730 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 FM Johns-Iowa R over Stream built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM Johns-Iowa R over Stream 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 March 2023.

How much traffic does FM Johns-Iowa R over Stream carry?

About 730 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is FM Johns-Iowa R over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns FM Johns-Iowa R over Stream?

It is owned by the County Highway Agency.