US Bridges

Ia 3 over Hartgraves Crk Overflow

Fair

Butler County, Iowa · 0.5 Mi. W of SR T16 · Structure no. 000000000016490

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
1,420
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Hartgraves Crk Overflow is a concrete slab carrying Ia 3 over Hartgraves Crk Overflow in Butler County, Iowa. It was built in 1957, so it is 68 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 1,420 vehicles a day, roughly 14% of them trucks, projected to reach 1,420 by 2042. The structure is 35 ft (10.7 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesIa 3
CrossesHartgraves Crk Overflow
Location0.5 Mi. W of SR T16
RouteState Highway 3
CountyButler County
StateIowa
Coordinates42.74497, -92.98147
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2022)
Projected traffic1,420 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 3 over Hartgraves Crk Overflow built?

It was built in 1957, making it 68 years old in 2025.

What condition is Ia 3 over Hartgraves Crk 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 April 2023.

How much traffic does Ia 3 over Hartgraves Crk Overflow carry?

About 1,420 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 3 over Hartgraves Crk Overflow?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 34 ft wide.

Who owns Ia 3 over Hartgraves Crk Overflow?

It is owned by the State Highway Agency.