US Bridges

E 84th ST S over Prairie Creek

Good

Jasper County, Iowa · 079182204 · Structure no. 000000000196701

Built
2016
9 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

E 84th ST S over Prairie Creek is a steel stringer/multi-beam or girder carrying E 84th ST S over Prairie Creek in Jasper County, Iowa. It was built in 2016, so it is 9 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 71 ft (21.6 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE 84th ST S
CrossesPrairie Creek
Location079182204
RouteCounty Highway 0
StateIowa
Coordinates41.63318, -92.94147
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating65.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E 84th ST S over Prairie Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is E 84th ST S over Prairie 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 April 2022.

How much traffic does E 84th ST S over Prairie Creek carry?

About 41 vehicles per day (2022 count).

How long is E 84th ST S over Prairie Creek?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 25 ft wide.

Who owns E 84th ST S over Prairie Creek?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.