US Bridges

Highway T-22 S over Slater Creek

Fair

Jasper County, Iowa · 079181302 · Structure no. 000000000196591

Built
2007
18 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,160
2022 count
Owner
County
County Highway Agency

About this bridge

Highway T-22 S over Slater Creek is a concrete continuous culvert carrying Highway T-22 S over Slater Creek in Jasper County, Iowa. It was built in 2007, so it is 18 years old, younger 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 6 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 1,160 vehicles a day, roughly 15% of them trucks, projected to reach 1,160 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHighway T-22 S
CrossesSlater Creek
Location079181302
RouteCounty Highway 0
StateIowa
Coordinates41.65804, -92.90294
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,160 (2022)
Projected traffic1,160 by 2043
Trucks15%
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 Highway T-22 S over Slater Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Highway T-22 S over Slater Creek 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 May 2023.

How much traffic does Highway T-22 S over Slater Creek carry?

About 1,160 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Highway T-22 S over Slater Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Highway T-22 S over Slater Creek?

It is owned by the County Highway Agency.