US Bridges

Mann Road over Mann Creek

Fair

Marion County, Indiana · 00.20 N of Southport RD · Structure no. 4900413

Built
1981
44 years old, rebuilt 2010
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
14,868
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mann Road over Mann Creek is a concrete continuous slab carrying Mann Road over Mann Creek in Marion County, Indiana. It was built in 1981 and reconstructed in 2010, so it is 44 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 14,868 vehicles a day, roughly 5% of them trucks, projected to reach 26,094 by 2043. The structure is 95 ft (29.1 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMann Road
CrossesMann Creek
Location00.20 N of Southport RD
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.66574, -86.24761
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29.1 m)
Longest span35 ft (10.8 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,868 (2023)
Projected traffic26,094 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mann Road over Mann Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2010.

What condition is Mann Road over Mann 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 July 2024.

How much traffic does Mann Road over Mann Creek carry?

About 14,868 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mann Road over Mann Creek?

The structure is 95 ft (29.1 m) long with a longest span of 35 ft (10.8 m) and a deck 42 ft wide.

Who owns Mann Road over Mann Creek?

It is owned by the City or Municipal Highway Agency.