US Bridges

Marzane Road over Eight Mile Creek

Good

Wells County, Indiana · 00.50 N of CR 1100 N · Structure no. 9000138

Built
1940
85 years old, rebuilt 2012
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,515
2022 count
Owner
County
County Highway Agency

About this bridge

Marzane Road over Eight Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Marzane Road over Eight Mile Creek in Wells County, Indiana. It was built in 1940 and reconstructed in 2012, so it is 85 years old, older 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 1,515 vehicles a day, roughly 11% of them trucks, projected to reach 2,568 by 2042. The structure is 75 ft (23 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarzane Road
CrossesEight Mile Creek
Location00.50 N of CR 1100 N
RouteCounty Highway 0
StateIndiana
Coordinates40.90827, -85.2916
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 rating74.1 US tons
Inventory rating37.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (23 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,515 (2022)
Projected traffic2,568 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Marzane Road over Eight Mile Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2012.

What condition is Marzane Road over Eight Mile Creek 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 October 2023.

How much traffic does Marzane Road over Eight Mile Creek carry?

About 1,515 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Marzane Road over Eight Mile Creek?

The structure is 75 ft (23 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns Marzane Road over Eight Mile Creek?

It is owned by the County Highway Agency.