US Bridges

Ia 136 over Farm Creek

Good

Jones County, Iowa · 5.4 Mi. S of Jct. US #151 · Structure no. 000000000032581

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
770
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 136 over Farm Creek is a concrete continuous slab carrying Ia 136 over Farm Creek in Jones County, Iowa. It was built in 1986, so it is 39 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 770 vehicles a day, roughly 19% of them trucks, projected to reach 770 by 2043. The structure is 128 ft (39 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesIa 136
CrossesFarm Creek
Location5.4 Mi. S of Jct. US #151
RouteState Highway 136
StateIowa
Coordinates42.24341, -90.98417
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating61.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span47 ft (14.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2022)
Projected traffic770 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 136 over Farm Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ia 136 over Farm 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 June 2023.

How much traffic does Ia 136 over Farm Creek carry?

About 770 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 136 over Farm Creek?

The structure is 128 ft (39 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.

Who owns Ia 136 over Farm Creek?

It is owned by the State Highway Agency.