US Bridges

Local over Trib Maple River

Fair

Ida County, Iowa · 088401101 · Structure no. 000000000186842

Built
2002
23 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Trib Maple River is a steel stringer/multi-beam or girder carrying Local over Trib Maple River in Ida County, Iowa. It was built in 2002, so it is 23 years old, younger 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 5 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesTrib Maple River
Location088401101
RouteCounty Highway 0
StateIowa
Coordinates42.45731, -95.46993
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Trib Maple River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Local over Trib Maple River 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 Local over Trib Maple River carry?

About 26 vehicles per day (2022 count).

How long is Local over Trib Maple River?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Local over Trib Maple River?

It is owned by the County Highway Agency.