US Bridges

Old Ia HWY 25 over Small Stream

PoorPosted for load

Ringgold County, Iowa · 068313004 · Structure no. 000000000046480

Built
1934
91 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
289
2022 count
Owner
County
County Highway Agency

About this bridge

Old Ia HWY 25 over Small Stream is a steel stringer/multi-beam or girder carrying Old Ia HWY 25 over Small Stream in Ringgold County, Iowa. It was built in 1934, so it is 91 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 other load-capacity restriction.

It carries about 289 vehicles a day, roughly 14% of them trucks, projected to reach 289 by 2043. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOld Ia HWY 25
CrossesSmall Stream
Location068313004
RouteCounty Highway 0
StateIowa
Coordinates40.65644, -94.47141
Functional classRural Major Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic289 (2022)
Projected traffic289 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$693,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Ia HWY 25 over Small Stream built?

It was built in 1934, making it 91 years old in 2025.

What condition is Old Ia HWY 25 over Small Stream 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 December 2023.

How much traffic does Old Ia HWY 25 over Small Stream carry?

About 289 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Old Ia HWY 25 over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Old Ia HWY 25 over Small Stream?

It is owned by the County Highway Agency.