US Bridges

Local over Trib Buffalo Creek

Fair

Linn County, Iowa · 086060301 · Structure no. 000000000363720

Built
1994
31 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
88
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Trib Buffalo Creek is a prestressed concrete tee beam carrying Local over Trib Buffalo Creek in Linn County, Iowa. It was built in 1994, so it is 31 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 6 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 88 vehicles a day, projected to reach 88 by 2044. The structure is 36 ft (11 m) long and 28 ft wide.

CarriesLocal
CrossesTrib Buffalo Creek
Location086060301
RouteCounty Highway 0
StateIowa
Coordinates42.29628, -91.53621
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2022)
Projected traffic88 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Trib Buffalo Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Local over Trib Buffalo Creek 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 September 2024.

How much traffic does Local over Trib Buffalo Creek carry?

About 88 vehicles per day (2022 count).

How long is Local over Trib Buffalo Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns Local over Trib Buffalo Creek?

It is owned by the County Highway Agency.