US Bridges

Old 25 over Natural Drain Ff

Good

Cass County, Indiana · 00.20 W US 35 · Structure no. 0900156

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
3,100
2023 count
Owner
County
County Highway Agency

About this bridge

Old 25 over Natural Drain Ff is a concrete culvert carrying Old 25 over Natural Drain Ff in Cass County, Indiana. It was built in 2010, so it is 15 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,100 vehicles a day, roughly 7% of them trucks, projected to reach 4,090 by 2043. The structure is 21 ft (6.5 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesOld 25
CrossesNatural Drain Ff
Location00.20 W US 35
RouteCity Street 0
StateIndiana
Coordinates40.73673, -86.39246
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span20 ft (6.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic4,090 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 25 over Natural Drain Ff built?

It was built in 2010, making it 15 years old in 2025.

What condition is Old 25 over Natural Drain Ff in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Old 25 over Natural Drain Ff carry?

About 3,100 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Old 25 over Natural Drain Ff?

The structure is 21 ft (6.5 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns Old 25 over Natural Drain Ff?

It is owned by the County Highway Agency.