US Bridges

US 183 NB Conn over Open Area

Good

Travis County, Texas · 1.9 MI N of SH 71 · Structure no. 142270015109516

Built
2020
5 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
1 main span
Daily traffic
9,390
2019 count
Owner
State
State Highway Agency

About this bridge

US 183 NB Conn over Open Area is a prestressed concrete stringer/multi-beam or girder carrying US 183 NB Conn over Open Area in Travis County, Texas. It was built in 2020, so it is 5 years old, younger 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 9,390 vehicles a day, roughly 2% of them trucks, projected to reach 11,269 by 2039. The structure is 165 ft (50.3 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 183 NB Conn
CrossesOpen Area
Location1.9 MI N of SH 71
RouteU.S. Route 183
StateTexas
Coordinates30.24788, -97.69026
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHL 93
Structure length165 ft (50.3 m)
Longest span100 ft (30.5 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (15 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic9,390 (2019)
Projected traffic11,269 by 2039
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed6.2 mi (10 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 183 NB Conn over Open Area built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 183 NB Conn over Open Area 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 September 2023.

How much traffic does US 183 NB Conn over Open Area carry?

About 9,390 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is US 183 NB Conn over Open Area?

The structure is 165 ft (50.3 m) long with a longest span of 100 ft (30.5 m) and a deck 52 ft wide.

Who owns US 183 NB Conn over Open Area?

It is owned by the State Highway Agency and maintained by the Local Toll Authority.