US Bridges

Ia 136 over Little Bear Creek

Fair

Jones County, Iowa · 0.8 Mi. N of Jct. Ia 64 · Structure no. 000000000032520

Built
1952
73 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 136 over Little Bear Creek is a concrete continuous slab carrying Ia 136 over Little Bear Creek in Jones County, Iowa. It was built in 1952, so it is 73 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 5 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 930 vehicles a day, roughly 16% of them trucks, projected to reach 930 by 2044. The structure is 112 ft (34.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 136
CrossesLittle Bear Creek
Location0.8 Mi. N of Jct. Ia 64
RouteState Highway 136
CountyJones County
StateIowa
Coordinates42.07061, -91.01483
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length112 ft (34.1 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2022)
Projected traffic930 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Little Bear Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Ia 136 over Little Bear Creek 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 2024.

How much traffic does Ia 136 over Little Bear Creek carry?

About 930 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 136 over Little Bear Creek?

The structure is 112 ft (34.1 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Ia 136 over Little Bear Creek?

It is owned by the State Highway Agency.