US Bridges

Mann RD over Branch of Sinking Creek

Good

Morgan County, Indiana · 00.54 S of E Spring Lake · Structure no. 5500161

Built
1977
48 years old
Condition
Good
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
3,740
2023 count
Owner
County
County Highway Agency

About this bridge

Mann RD over Branch of Sinking Creek is a aluminum, wrought iron, or cast iron culvert carrying Mann RD over Branch of Sinking Creek in Morgan County, Indiana. It was built in 1977, so it is 48 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 3,740 vehicles a day, roughly 5% of them trucks, projected to reach 6,550 by 2043. The structure is 21 ft (6.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMann RD
CrossesBranch of Sinking Creek
Location00.54 S of E Spring Lake
RouteCounty Highway 53
StateIndiana
Coordinates39.58232, -86.28844
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating90.7 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,740 (2023)
Projected traffic6,550 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mann RD over Branch of Sinking Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mann RD over Branch of Sinking 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 August 2024.

How much traffic does Mann RD over Branch of Sinking Creek carry?

About 3,740 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mann RD over Branch of Sinking Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns Mann RD over Branch of Sinking Creek?

It is owned by the County Highway Agency.