US Bridges

SW 137th LN over Lit North Fk

Fair

Barton County, Missouri · S 27 T 31 N R 33 W · Structure no. 29595

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Truss - Thru
Steel
Length
76 ft
1 main span
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

SW 137th LN over Lit North Fk is a steel truss - thru carrying SW 137th LN over Lit North Fk in Barton County, Missouri. It was built in 1981, so it is 44 years old, younger than the Missouri average of 45.1 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2043. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW 137th LN
CrossesLit North Fk
LocationS 27 T 31 N R 33 W
RouteCounty Highway 0
CountyBarton County
StateMissouri
Coordinates37.41333, -94.53667
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic21 by 2043
Trucks10%
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 SW 137th LN over Lit North Fk built?

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

What condition is SW 137th LN over Lit North Fk 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 March 2023.

How much traffic does SW 137th LN over Lit North Fk carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 137th LN over Lit North Fk?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 25 ft wide.

Who owns SW 137th LN over Lit North Fk?

It is owned by the County Highway Agency.