US Bridges

SH 70 over Cottonwood Creek

Poor

Nolan County, Texas · 4.7 MI N of SH 153 · Structure no. 081770026401004

Built
1926
99 years old, rebuilt 1955
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
4,614
2020 count
Owner
State
State Highway Agency

About this bridge

SH 70 over Cottonwood Creek is a concrete tee beam carrying SH 70 over Cottonwood Creek in Nolan County, Texas. It was built in 1926 and reconstructed in 1955, so it is 99 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,614 vehicles a day, roughly 17% of them trucks, projected to reach 4,890 by 2033. The structure is 86 ft (26.2 m) long and 43 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSH 70
CrossesCottonwood Creek
Location4.7 MI N of SH 153
RouteState Highway 70
StateTexas
Coordinates32.36639, -100.35955
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,614 (2020)
Projected traffic4,890 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 70 over Cottonwood Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1955.

What condition is SH 70 over Cottonwood Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does SH 70 over Cottonwood Creek carry?

About 4,614 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 70 over Cottonwood Creek?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 43 ft wide.

Who owns SH 70 over Cottonwood Creek?

It is owned by the State Highway Agency.