US Bridges

Ia 117 over Stream

Fair

Jasper County, Iowa · 0.5 Mi. S of Jct. SR F24 · Structure no. 000000000030780

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
750
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 117 over Stream is a concrete continuous slab carrying Ia 117 over Stream in Jasper County, Iowa. It was built in 1956, so it is 69 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 750 vehicles a day, roughly 26% of them trucks, projected to reach 750 by 2044. The structure is 122 ft (37.2 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 117
CrossesStream
Location0.5 Mi. S of Jct. SR F24
RouteState Highway 117
StateIowa
Coordinates41.7695, -93.2769
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length122 ft (37.2 m)
Longest span46 ft (14 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2022)
Projected traffic750 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is Ia 117 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 May 2024.

How much traffic does Ia 117 over Stream carry?

About 750 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Ia 117 over Stream?

The structure is 122 ft (37.2 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns Ia 117 over Stream?

It is owned by the State Highway Agency.