US Bridges

Humpback Bridge RD over Henderson Creek

Fair

Lawrence County, Indiana · 00.75 N of SR 446 · Structure no. 4700043

Built
1925
100 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
83 ft
1 main span
Daily traffic
134
2016 count
Owner
County
County Highway Agency

About this bridge

Humpback Bridge RD over Henderson Creek is a concrete culvert carrying Humpback Bridge RD over Henderson Creek in Lawrence County, Indiana. It was built in 1925, so it is 100 years old, older 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 5 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 134 vehicles a day, roughly 4% of them trucks, projected to reach 181 by 2036. The structure is 83 ft (25.2 m) long and 18 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHumpback Bridge RD
CrossesHenderson Creek
Location00.75 N of SR 446
RouteCounty Highway 0
StateIndiana
Coordinates38.96209, -86.36802
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.6 US tons
Inventory rating27.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length83 ft (25.2 m)
Longest span83 ft (25.2 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2016)
Projected traffic181 by 2036
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Humpback Bridge RD over Henderson Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Humpback Bridge RD over Henderson 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 June 2024.

How much traffic does Humpback Bridge RD over Henderson Creek carry?

About 134 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Humpback Bridge RD over Henderson Creek?

The structure is 83 ft (25.2 m) long with a longest span of 83 ft (25.2 m) and a deck 18 ft wide.

Who owns Humpback Bridge RD over Henderson Creek?

It is owned by the County Highway Agency.