US Bridges

County Road 77 over Seemore Creek Seb. Co.

Good

Sebastian County, Arkansas · 1.5MI W of Milltown · Structure no. 000000000016819

Built
1940
85 years old
Condition
Good
inspected June 2024
Type
Arch - Deck
Masonry
Length
24 ft
2 main spans
Daily traffic
533
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 77 over Seemore Creek Seb. Co. is a masonry arch - deck carrying County Road 77 over Seemore Creek Seb. Co. in Sebastian County, Arkansas. It was built in 1940, so it is 85 years old, older than the Arkansas average of 45.1 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 533 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2007. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 77
CrossesSeemore Creek Seb. Co.
Location1.5MI W of Milltown
RouteCounty Highway 77
Coordinates35.15876, -94.1745
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2018)
Projected traffic70 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$207,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 77 over Seemore Creek Seb. Co. built?

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

What condition is County Road 77 over Seemore Creek Seb. Co. 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 June 2024.

How much traffic does County Road 77 over Seemore Creek Seb. Co. carry?

About 533 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is County Road 77 over Seemore Creek Seb. Co.?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 21 ft wide.

Who owns County Road 77 over Seemore Creek Seb. Co.?

It is owned by the County Highway Agency.