US Bridges

Mill ST over Helms Creek

Fair

Wabash County, Indiana · 00.70 E of State RD 115 · Structure no. 8500340

Built
1995
30 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
2,650
2024 count
Owner
County
County Highway Agency

About this bridge

Mill ST over Helms Creek is a prestressed concrete box beam or girders - multiple carrying Mill ST over Helms Creek in Wabash County, Indiana. It was built in 1995, so it is 30 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 2,650 vehicles a day, roughly 5% of them trucks, projected to reach 3,925 by 2044. The structure is 36 ft (10.9 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill ST
CrossesHelms Creek
Location00.70 E of State RD 115
RouteCity Street 0
StateIndiana
Coordinates40.79731, -85.85387
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2024)
Projected traffic3,925 by 2044
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 Mill ST over Helms Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mill ST over Helms 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 May 2024.

How much traffic does Mill ST over Helms Creek carry?

About 2,650 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mill ST over Helms Creek?

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Mill ST over Helms Creek?

It is owned by the County Highway Agency.