US Bridges

T43 over Alry Run Creek

Good

Butler County, Iowa · 092161706 · Structure no. 000000000088591

Built
2006
19 years old
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
442
2022 count
Owner
County
County Highway Agency

About this bridge

T43 over Alry Run Creek is a concrete continuous slab carrying T43 over Alry Run Creek in Butler County, Iowa. It was built in 2006, so it is 19 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 442 vehicles a day, roughly 10% of them trucks, projected to reach 442 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT43
CrossesAlry Run Creek
Location092161706
RouteCounty Highway 0
StateIowa
Coordinates42.77682, -92.77169
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 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 rating88.6 US tons
Inventory rating53.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic442 (2022)
Projected traffic442 by 2043
Trucks10%
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 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 T43 over Alry Run Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is T43 over Alry Run 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 T43 over Alry Run Creek carry?

About 442 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is T43 over Alry Run Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns T43 over Alry Run Creek?

It is owned by the County Highway Agency.