US Bridges

Highway T-38 S over Small Stream

Fair

Jasper County, Iowa · 078171108 · Structure no. 000000000195061

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
330
2022 count
Owner
County
County Highway Agency

About this bridge

Highway T-38 S over Small Stream is a concrete continuous culvert carrying Highway T-38 S over Small Stream in Jasper County, Iowa. It was built in 1977, so it is 48 years old, older 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 330 vehicles a day, roughly 14% of them trucks, projected to reach 330 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHighway T-38 S
CrossesSmall Stream
Location078171108
RouteCounty Highway 0
CountyJasper County
StateIowa
Coordinates41.56665, -92.77784
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic330 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-38 S over Small Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is Highway T-38 S over Small Stream 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 April 2023.

How much traffic does Highway T-38 S over Small Stream carry?

About 330 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Highway T-38 S over Small Stream?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Highway T-38 S over Small Stream?

It is owned by the County Highway Agency.