US Bridges

Dead End 115 ST over Small Stream

Fair

Buchanan County, Iowa · 000000000 · Structure no. 000000000084150

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
25 ft
5 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Dead End 115 ST over Small Stream is a steel culvert carrying Dead End 115 ST over Small Stream in Buchanan County, Iowa. It was built in 1968, so it is 57 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 25 ft (7.6 m) long and 24 ft wide.

CarriesDead End 115 ST
CrossesSmall Stream
Location000000000
RouteCounty Highway 0
StateIowa
Coordinates42.61997, -92.02384
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span5 ft (1.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dead End 115 ST over Small Stream built?

It was built in 1968, making it 57 years old in 2025.

What condition is Dead End 115 ST 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 January 2024.

How much traffic does Dead End 115 ST over Small Stream carry?

About 11 vehicles per day (2022 count).

How long is Dead End 115 ST over Small Stream?

The structure is 25 ft (7.6 m) long with a longest span of 5 ft (1.5 m) and a deck 24 ft wide.

Who owns Dead End 115 ST over Small Stream?

It is owned by the County Highway Agency.