Box Beam or Girders - Single or Spread bridges in Iowa
One or a few hollow box girders spaced apart beneath the deck, often used for longer spans and curved alignments. Iowa has 2 of them, 0.0% of its bridges. Nationally this type accounts for 1.4% of all bridges.Compare states for this type.
- Box Beam or Girders - Single or Spread bridges
- 2
- Poor condition
- 0%
- 0 bridges
- Average age
- 35 yrs
- Combined length
- 0 mi
Busiest box beam or girders - single or spread bridges in Iowa
Top 2 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| WB US 20 over N Fork Maquoketa River No. 000000000023780 | Dubuque County | 0.6 Mi. W of Jct. Ia 136 | 1958 | Box Beam or Girders - Single or Spread | 502 ft | 5,450 | Fair |
| 170th ST over Slough Creek No. 000000000132521 | Dallas County | 081273401 | 2022 | Box Beam or Girders - Single or Spread | 52 ft | 15 | Good |
Counties with the most
| Dubuque County | 1 |
| Dallas County | 1 |
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