US Bridges

Old US 30 over Walnut Creek

Fair

Kosciusko County, Indiana · 00.30 W of CR 125 W · Structure no. 4300039

Built
1980
45 years old, rebuilt 2004
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
3,600
2022 count
Owner
County
County Highway Agency

About this bridge

Old US 30 over Walnut Creek is a steel stringer/multi-beam or girder carrying Old US 30 over Walnut Creek in Kosciusko County, Indiana. It was built in 1980 and reconstructed in 2004, so it is 45 years old, younger than the Indiana average of 46.6 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 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 6,250 by 2042. The structure is 63 ft (19.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesOld US 30
CrossesWalnut Creek
Location00.30 W of CR 125 W
RouteCity Street 30
CountyKosciusko County
StateIndiana
Coordinates41.24845, -85.87529
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.1 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span57 ft (17.5 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic6,250 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 30 over Walnut Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2004.

What condition is Old US 30 over Walnut 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 March 2024.

How much traffic does Old US 30 over Walnut Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Old US 30 over Walnut Creek?

The structure is 63 ft (19.2 m) long with a longest span of 57 ft (17.5 m) and a deck 41 ft wide.

Who owns Old US 30 over Walnut Creek?

It is owned by the County Highway Agency.