US Bridges

Ia 25 over Branch Platte River

Fair

Union County, Iowa · 3.4 MI S of S JCT US 34 · Structure no. 000000000050141

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
1,250
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 25 over Branch Platte River is a prestressed concrete stringer/multi-beam or girder carrying Ia 25 over Branch Platte River in Union County, Iowa. It was built in 2003, so it is 22 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 1,250 vehicles a day, roughly 16% of them trucks, projected to reach 1,250 by 2044. The structure is 191 ft (58.2 m) long and 39 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesIa 25
CrossesBranch Platte River
Location3.4 MI S of S JCT US 34
RouteState Highway 25
CountyUnion County
StateIowa
Coordinates40.92969, -94.47055
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating56.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span107 ft (32.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2022)
Projected traffic1,250 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 25 over Branch Platte River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Ia 25 over Branch Platte 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 August 2024.

How much traffic does Ia 25 over Branch Platte River carry?

About 1,250 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 25 over Branch Platte River?

The structure is 191 ft (58.2 m) long with a longest span of 107 ft (32.6 m) and a deck 39 ft wide.

Who owns Ia 25 over Branch Platte River?

It is owned by the State Highway Agency.