US Bridges

IH 20 WB over FM 1856

Good

Nolan County, Texas · 4.7 MI E of SH 70 · Structure no. 081770000603090

Built
1957
68 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
14,379
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over FM 1856 is a concrete continuous slab carrying IH 20 WB over FM 1856 in Nolan County, Texas. It was built in 1957, so it is 68 years old, older than the Texas average of 44.4 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 14,379 vehicles a day, roughly 41% of them trucks, projected to reach 13,540 by 2033. The structure is 114 ft (34.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 WB
CrossesFM 1856
Location4.7 MI E of SH 70
RouteInterstate 20
StateTexas
Coordinates32.48824, -100.33729
Functional classRural Principal Arterial - Interstate

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span45 ft (13.7 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,379 (2019)
Projected traffic13,540 by 2033
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 20 WB over FM 1856 built?

It was built in 1957, making it 68 years old in 2025.

What condition is IH 20 WB over FM 1856 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 March 2023.

How much traffic does IH 20 WB over FM 1856 carry?

About 14,379 vehicles per day (2019 count), of which roughly 41% are trucks.

How long is IH 20 WB over FM 1856?

The structure is 114 ft (34.7 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns IH 20 WB over FM 1856?

It is owned by the State Highway Agency.