US Bridges

Local over Spring Branch

Good

Chickasaw County, Iowa · 095121901 · Structure no. 000000000111422

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Spring Branch is a prestressed concrete tee beam carrying Local over Spring Branch in Chickasaw County, Iowa. It was built in 1998, so it is 27 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 91 vehicles a day, projected to reach 91 by 2044. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSpring Branch
Location095121901
RouteCounty Highway 0
StateIowa
Coordinates43.03747, -92.31679
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating39.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Spring Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Local over Spring Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Local over Spring Branch carry?

About 91 vehicles per day (2022 count).

How long is Local over Spring Branch?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns Local over Spring Branch?

It is owned by the County Highway Agency.