US Bridges

CR 29 over Lanman Run

Good

Perry County, Indiana · 00.10 N of CR 150 · Structure no. 6200040

Built
1940
85 years old, rebuilt 2016
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

CR 29 over Lanman Run is a prestressed concrete box beam or girders - multiple carrying CR 29 over Lanman Run in Perry County, Indiana. It was built in 1940 and reconstructed in 2016, 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 110 by 2041. The structure is 33 ft (10 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 29
CrossesLanman Run
Location00.10 N of CR 150
RouteCounty Highway 29
StateIndiana
Coordinates38.12915, -86.78308
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.8 US tons
Inventory rating66 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic110 by 2041
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 CR 29 over Lanman Run built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2016.

What condition is CR 29 over Lanman Run 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 April 2023.

How much traffic does CR 29 over Lanman Run carry?

About 100 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is CR 29 over Lanman Run?

The structure is 33 ft (10 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns CR 29 over Lanman Run?

It is owned by the County Highway Agency.