US Bridges

Henry Gunn RD over Lamberson Ditch

Fair

Hamilton County, Indiana · 00.12 N of 266th ST · Structure no. 2900071

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Henry Gunn RD over Lamberson Ditch is a wood or timber slab carrying Henry Gunn RD over Lamberson Ditch in Hamilton County, Indiana. It was built in 1979, so it is 46 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 190 by 2040. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHenry Gunn RD
CrossesLamberson Ditch
Location00.12 N of 266th ST
RouteCounty Highway 0
CountyHamilton County
StateIndiana
Coordinates40.17924, -85.88179
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic190 by 2040
Trucks2%
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 Henry Gunn RD over Lamberson Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Henry Gunn RD over Lamberson Ditch 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 August 2023.

How much traffic does Henry Gunn RD over Lamberson Ditch carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Henry Gunn RD over Lamberson Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Henry Gunn RD over Lamberson Ditch?

It is owned by the County Highway Agency.