US Bridges

Ia 136 over Stream

Fair

Jones County, Iowa · 3.5 Mi. N of Jct. SR E17 · Structure no. 000000000032570

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
770
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 136 over Stream is a concrete continuous culvert carrying Ia 136 over Stream in Jones County, Iowa. It was built in 1940, so it is 85 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.

It carries about 770 vehicles a day, roughly 19% of them trucks, projected to reach 770 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIa 136
CrossesStream
Location3.5 Mi. N of Jct. SR E17
RouteState Highway 136
CountyJones County
StateIowa
Coordinates42.2136, -90.9923
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.5 US tons
Inventory rating35.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed19.9 mi (32 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 Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is Ia 136 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 November 2023.

How much traffic does Ia 136 over Stream carry?

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

How long is Ia 136 over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Ia 136 over Stream?

It is owned by the State Highway Agency.