US Bridges

250th ST over Unnamed Creek

PoorPosted for load

Fayette County, Iowa · 095103607 · Structure no. 000000000153640

Built
1916
109 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
69 ft
2 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

250th ST over Unnamed Creek is a concrete stringer/multi-beam or girder carrying 250th ST over Unnamed Creek in Fayette County, Iowa. It was built in 1916, so it is 109 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 4 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 69 ft (21 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries250th ST
CrossesUnnamed Creek
Location095103607
RouteCounty Highway 0
StateIowa
Coordinates42.99788, -91.96583
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating17.7 US tons
Inventory rating13.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length69 ft (21 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$140,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 250th ST over Unnamed Creek built?

It was built in 1916, making it 109 years old in 2025.

What condition is 250th ST over Unnamed Creek 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 October 2023.

How much traffic does 250th ST over Unnamed Creek carry?

About 49 vehicles per day (2022 count).

How long is 250th ST over Unnamed Creek?

The structure is 69 ft (21 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns 250th ST over Unnamed Creek?

It is owned by the County Highway Agency.