US Bridges

Armstrong Road over Grassy Creek

FairPosted for load

Kosciusko County, Indiana · 01.10 W of CR 675 E · Structure no. 4300212

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
56 ft
5 main spans
Daily traffic
725
2022 count
Owner
County
County Highway Agency

About this bridge

Armstrong Road over Grassy Creek is a steel culvert carrying Armstrong Road over Grassy Creek in Kosciusko County, Indiana. It was built in 1974, so it is 51 years old, older 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. Its operating status is: posted for load restriction.

It carries about 725 vehicles a day, roughly 5% of them trucks, projected to reach 1,050 by 2042. The structure is 56 ft (17 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesArmstrong Road
CrossesGrassy Creek
Location01.10 W of CR 675 E
RouteCounty Highway 82
CountyKosciusko County
StateIndiana
Coordinates41.30796, -85.73567
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length56 ft (17 m)
Longest span15 ft (4.5 m)
Deck width40 ft (12.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2022)
Projected traffic1,050 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 Armstrong Road over Grassy Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Armstrong Road over Grassy 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 Armstrong Road over Grassy Creek carry?

About 725 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Armstrong Road over Grassy Creek?

The structure is 56 ft (17 m) long with a longest span of 15 ft (4.5 m) and a deck 40 ft wide.

Who owns Armstrong Road over Grassy Creek?

It is owned by the County Highway Agency.