US Bridges

T25 (hickory Av over Small Stream

Good

Butler County, Iowa · 090170502 · Structure no. 000000000086991

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
530
2022 count
Owner
County
County Highway Agency

About this bridge

T25 (hickory Av over Small Stream is a prestressed concrete stringer/multi-beam or girder carrying T25 (hickory Av over Small Stream in Butler County, Iowa. It was built in 2008, so it is 17 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 530 vehicles a day, roughly 18% of them trucks, projected to reach 530 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesT25 (hickory Av
CrossesSmall Stream
Location090170502
RouteCounty Highway 0
StateIowa
Coordinates42.64259, -92.88879
Functional classRural Major Collector

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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.3 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2022)
Projected traffic530 by 2043
Trucks18%
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

OwnerCounty Highway Agency
Maintained byCounty 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 T25 (hickory Av over Small Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is T25 (hickory Av over Small Stream 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 March 2023.

How much traffic does T25 (hickory Av over Small Stream carry?

About 530 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is T25 (hickory Av over Small Stream?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns T25 (hickory Av over Small Stream?

It is owned by the County Highway Agency.