US Bridges

Old Ia 102 over Branch Middle Creek

Fair

Mahaska County, Iowa · 077162001 · Structure no. 000000000238210

Built
1961
64 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
1,550
2022 count
Owner
County
County Highway Agency

About this bridge

Old Ia 102 over Branch Middle Creek is a concrete continuous culvert carrying Old Ia 102 over Branch Middle Creek in Mahaska County, Iowa. It was built in 1961, so it is 64 years old, older 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 1,550 vehicles a day, projected to reach 1,550 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesOld Ia 102
CrossesBranch Middle Creek
Location077162001
RouteCounty Highway 0
CountyMahaska County
StateIowa
Coordinates41.46583, -92.73317
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.4 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2022)
Projected traffic1,550 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Old Ia 102 over Branch Middle Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Old Ia 102 over Branch Middle 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 December 2023.

How much traffic does Old Ia 102 over Branch Middle Creek carry?

About 1,550 vehicles per day (2022 count).

How long is Old Ia 102 over Branch Middle Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Old Ia 102 over Branch Middle Creek?

It is owned by the County Highway Agency.