US Bridges

Entry Road over Unnamed Drainage

Good

Jasper County, Iowa · 500 S. of 88th Ave. · Structure no. 000033670-TMP05

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
159
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Entry Road over Unnamed Drainage is a prestressed concrete slab carrying Entry Road over Unnamed Drainage in Jasper County, Iowa. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 159 vehicles a day, projected to reach 200 by 2043. The structure is 32 ft (9.8 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesEntry Road
CrossesUnnamed Drainage
Location500 S. of 88th Ave.
RouteFederal Lands Road 0
CountyJasper County
StateIowa
Coordinates41.57817, -93.27383
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic159 (2023)
Projected traffic200 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Entry Road over Unnamed Drainage built?

It was built in 2015, making it 10 years old in 2025.

What condition is Entry Road over Unnamed Drainage 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 August 2023.

How much traffic does Entry Road over Unnamed Drainage carry?

About 159 vehicles per day (2023 count).

How long is Entry Road over Unnamed Drainage?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns Entry Road over Unnamed Drainage?

It is owned by the Bureau of Fish and Wildlife.