US Bridges

Girder and Floorbeam System bridges in South Dakota

Main girders along the bridge with transverse floorbeams carrying the deck, typical of larger steel bridges. South Dakota has 20 of them, 0.3% of its bridges. Nationally this type accounts for 0.8% of all bridges.Compare states for this type.

Girder and Floorbeam System bridges
20
Poor condition
35%
7 bridges
Average age
56.8 yrs
Combined length
3 mi

Busiest girder and floorbeam system bridges in South Dakota

Top 20 by daily traffic
BridgeCountyLocationBuiltTypeLengthDaily trafficCondition
US014A Pine ST over Whitewood Ck
No. 000000041161156
Lawrence CountyAt JCT US 85 S1967Girder and Floorbeam System1,768 ft11,370Fair
I090 over Mo. Rv (francis Case Lk)
No. 000000008061094
Brule CountyChamberlain Bridge1974Girder and Floorbeam System2,031 ft7,260Fair
River Boulevard over Big Sioux River
No. 000000050214215
Minnehaha CountyW of Southeastern Avenue1975Girder and Floorbeam System407 ft5,300Poor
2nd Avenue over BNSF Railroad
No. 000000026374023
Grant County2nd Ave. Big Stone City1914Girder and Floorbeam System228 ft2,560Poor
Exit 10 Service RD over Spearfish Ck
No. 000000041092060
Lawrence County0.2 W JCT US 851971Girder and Floorbeam System173 ft2,000Good
Shore Drive over Gavins Point Spillway
No. CEPMROSD0000001
Yankton County5 Miles West of Yankton1956Girder and Floorbeam System808 ft1,029Fair
SD044 over Mo. Rv (lk Francis Case)
No. 000000012085080
Charles Mix CountyGregory - Charles Mix CO1966Girder and Floorbeam System5,656 ft980Fair
State Highway 281 over Ft. Randall Spillway
No. CEPMROSD0000002
Charles Mix County1 Mile West of Pickstown1956Girder and Floorbeam System1,029 ft954Fair
IRR SD047 over Soldier Ck
No. 000000009060089
Buffalo County0.3 NE Big Bend Dam1963Girder and Floorbeam System227 ft917Fair
State Highway 47 over Big Bend Dam Spillway
No. CEPMROSD0000008
Buffalo County1 Mi. So. of Ft. Thompson1963Girder and Floorbeam System135 ft676Fair
Stae Highway 1806 over Oahe Dam Spillway
No. 59-360-228
Stanley County5 Miles No. of Ft. Pierre1963Girder and Floorbeam System460 ft123Poor
BIA RTE 5 over Little White River
No. 00000000000A141
Todd CountySpring Creek2003Girder and Floorbeam System95 ft100Good
279 Street over West Br Bull Ck
No. 000000062325290
Tripp County5.5E 6.75N Colome1955Girder and Floorbeam System37 ft55Poor
State Park RD over Stockade Lk Spillway
No. 000000017272072
Custer County4.2E of Custer1988Girder and Floorbeam System73 ft50Fair
179th ST over James River
No. 000000058203310
Spink County6S & 0.3E Frankfort1986Girder and Floorbeam System184 ft36Fair
31128 472nd Ave.Rd over Brule Ck
No. 000000064020141
Union County13.1S Beresford1985Girder and Floorbeam System80 ft35Poor
300 Avenue over Keya Paha Rv
No. 000000062040444
Tripp County7W & 2.4S Clearfield1982Girder and Floorbeam System60 ft31Fair
Horseshoe Butte RD over Black Pipe Ck
No. 000000036459153
Jackson County1.9E & 3.7S Belvidere1930Girder and Floorbeam System96 ft27Poor
29730 484th Ave over Ck
No. 000000064140003
Union County12E & 0.3S Beresford1983Girder and Floorbeam System40 ft25Poor
151st Street over James River
No. 000000058153030
Spink County4.3E & 3N Mellette1985Girder and Floorbeam System148 ft20Fair

Counties with the most

Spink County2
Tripp County2
Union County2
Lawrence County2
Charles Mix County2
Buffalo County2
Stanley County1
Todd County1
Yankton County1
Brule County1
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