US Bridges

Ia 136 over Bear Creek

Good

Jones County, Iowa · 0.4 Mi. S of Jct. Ia 64 · Structure no. 000000000032511

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
670
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 136 over Bear Creek is a concrete continuous slab carrying Ia 136 over Bear Creek in Jones County, Iowa. It was built in 1983, so it is 42 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 670 vehicles a day, roughly 9% of them trucks, projected to reach 670 by 2044. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesIa 136
CrossesBear Creek
Location0.4 Mi. S of Jct. Ia 64
RouteState Highway 136
StateIowa
Coordinates42.05301, -90.99579
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2022)
Projected traffic670 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Bear Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ia 136 over Bear 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 November 2024.

How much traffic does Ia 136 over Bear Creek carry?

About 670 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ia 136 over Bear Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 39 ft wide.

Who owns Ia 136 over Bear Creek?

It is owned by the State Highway Agency.