US Bridges

Union ST over Small Stream

Fair

Fayette County, Iowa · 000000000 · Structure no. 000000000024830

Built
1958
67 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
1,518
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union ST over Small Stream is a concrete culvert carrying Union ST over Small Stream in Fayette County, Iowa. It was built in 1958, so it is 67 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 1,518 vehicles a day, roughly 8% of them trucks, projected to reach 1,518 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesUnion ST
CrossesSmall Stream
Location000000000
RouteCity Street 0
CountyFayette County
StateIowa
Coordinates42.99619, -91.65139
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,518 (2022)
Projected traffic1,518 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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 Union ST over Small Stream built?

It was built in 1958, making it 67 years old in 2025.

What condition is Union 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 November 2023.

How much traffic does Union ST over Small Stream carry?

About 1,518 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Union ST over Small Stream?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m).

Who owns Union ST over Small Stream?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.