US Bridges

Line ST over Drainage

PoorPosted for load

Fayette County, Iowa · 000000000 · Structure no. 000000000012600

Built
1910
115 years old
Condition
Poor
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
104
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Line ST over Drainage is a concrete culvert carrying Line ST over Drainage in Fayette County, Iowa. It was built in 1910, so it is 115 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 104 vehicles a day, projected to reach 104 by 2043. The structure is 29 ft (8.8 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLine ST
CrossesDrainage
Location000000000
RouteCity Street 0
CountyFayette County
StateIowa
Coordinates42.77108, -91.99193
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8.9 US tons
Inventory rating6.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2022)
Projected traffic104 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Line ST over Drainage built?

It was built in 1910, making it 115 years old in 2025.

What condition is Line ST over Drainage in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Line ST over Drainage carry?

About 104 vehicles per day (2022 count).

How long is Line ST over Drainage?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 17 ft wide.

Who owns Line ST over Drainage?

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