US Bridges

Ia 117 over Br S Skunk Rvr Overflow

Fair

Jasper County, Iowa · 0.6 Mile S of JCT I-80 · Structure no. 000000000030740

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
6,300
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 117 over Br S Skunk Rvr Overflow is a concrete continuous culvert carrying Ia 117 over Br S Skunk Rvr Overflow in Jasper County, Iowa. It was built in 1967, so it is 58 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 6,300 vehicles a day, roughly 8% of them trucks, projected to reach 6,300 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 117
CrossesBr S Skunk Rvr Overflow
Location0.6 Mile S of JCT I-80
RouteState Highway 117
CountyJasper County
StateIowa
Coordinates41.68423, -93.24729
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.4 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2022)
Projected traffic6,300 by 2044
Trucks8%
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 117 over Br S Skunk Rvr Overflow built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ia 117 over Br S Skunk Rvr Overflow 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 June 2024.

How much traffic does Ia 117 over Br S Skunk Rvr Overflow carry?

About 6,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 117 over Br S Skunk Rvr Overflow?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Ia 117 over Br S Skunk Rvr Overflow?

It is owned by the State Highway Agency.